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About Polar Bear Double Glazing Windows

Our ethos has always been to improve the living standards of our customers through delivering great products and providing amazing customer service.

Experts in uPVC windows, composite doors and stylish conservatories installations.
With almost 30 years industry experience and rated the best in Bristol for customer satisfaction, we are so confident in the quality of our products and services that we offer a 10-year guarantee and 10-year security pledge to give you extra peace of mind.
We specialise in double glazed and triple glazed windows (uPVC and aluminium), composite doorsbi-fold doors and conservatories designed to suit your home and budget. We use industry-leading suppliers to bring you the best.
We offer free no-obligation quotes and we beat any like for like quote to ensure you get the best deal around. A small deposit is all we require for work to commence and with our  finance available, it has never been easier to make home improvements.

Free quote with
no-obligation home
appointment





    Recent installations

    Up to 20 years guarantee on products and installation

    Why choose Polar Bear Windows?

    Quality products fitted perfectly with excellent customer services. uPVC double glazing windows, secure composite doors, modern bi-folds and stylish conservatories.

    Up to
    20 years
    guarantee

    Rated the best in
    Bristol for customer
    satisfaction

    30 years in the
    industry

    Best price
    (no sales gimmicks)

    Voted the best in Bristol
    for customer satisfaction

    We achieved this by provising an award-winning service, quality assured products and money saving deals to all our customers.

    + Frequently Asked Questions

    What's the price of double glazing your home for insulation?

    The average cost in the UK is between £3000 and £7000. Your total will be higher if you're looking to customize, but this can make a difference in heating costs!

    How much should I pay for double glazed windows?

    Double glazing your windows is a quick and easy way to improve both aesthetics as well as energy efficiency. The average cost for upgrading to double glazed windows ranges between £500 to £1,230 depending on size and the number of windows being replaced.

    What are the costs of double glazing a 3 bedroom house in the UK?

    Double glazed windows can be expensive, starting at about £0.75 to £1.5 per square foot. Installing them on an average 3 bedroom house could cost between £3,000 to £5,000 depending mostly upon your style, size, and how many openings.

    How much do windows cost in the UK?

    The average price for new windows is anything between £500 to £4,000 per window, depending on options. A white uPVC casement window is the most economical option, costing between £500 to £1,200, depending on size and how many are being replaced in the property.

    Are triple-pane windows a gimmick?

    Triple pane windows have three panes of glass. They are made with two sheets, and then a third sheet between them to make them more insulating than double pane windows. The 3 layers of glass make for excellent soundproofing.
    For the most part, triple pane windows aren't standard in new builds because they're seen as a luxury item - but for those looking to maximise their insulation triple glazing is a good option to consider.

    How do double-glazed windows work?

    Double glazing works by trapping argon gas between two panes of glass. This trapped air creates an insulating barrier that provides three functions. First of all, it prevents heat loss or gains through the window because the barrier insulates the room from differing air temperatures at either side of the glazing unit. Second, it reduces noise. Third, it provides more security than single glazing windows.

    How effective are double-glazed windows?

    Double glazing can improve your windows insulation by up to 73% and reduce noise levels by an average of 70%. However, if you have single-pane timber windows, then you'll get the same benefits for about one-third the price.

    How do you demist double-glazed windows?

    If a glazing unit has been misted, which normally means there has been a leak in the sealed units, you can get the glazing unit replaced without needing to replace the window frames. By just replacing the misted glass, you would be saving hundreds of pounds worth in window replacement cost.

    How do you get the moisture out of a double pane window?

    Speak to a local uPVC repair specialist.

    Can you repair misted double glazed windows?

    If you have misted double-glazed windows, then the solution is simple. Just replace your glass unit with a new one! It's cheaper than replacing all of your doors and windows, so it may be worth looking into if that window has been bothering you for a while now.

    How much does it cost to get condensation out of double glazed windows?

    The average cost of replacing misted double glazing units is around £150 to £400, depending on size and specification.

    How do I know if my double glazed windows need a replacement?

    Cracked, misted, or jammed windows should be repaired or replaced.

    How do I know if my double glazed windows need to be replaced?

    1. There are draughts in your windows.
    2. There are cracks or chips in the windows pane.
    3. There is condensation in your windows.
    4. There is water coming through the windows.
    5. You have a higher energy bill.
    6. You find it difficult to use your windows.

    How long should double-glazed sealed units last?

    Quality double glazing units, installed professionally and properly maintained will last much longer than 20 years.

    Do double-glazed windows lose their effectiveness?

    Double glazing is a common process in home construction. Double glazed windows last from 10 to 50 years, with the average being 20 years minimum.

    What is the meaning of double-glazed windows?

    These are windows with two parallel and separate panes of glass. Glazing was derived from the Middle English word that is used to refer to glass. Glaziers is the term used for people who repair window glass.

    What does double glazing mean in the UK?

    If someone has double glazing in their house, their windows are fitted with sealed two layers of glass. The British put in double glazing in order to keep buildings warmer and to keep out noise.

    Is double glazing worth the money?

    Double glazed windows might cost more upfront, but they will help you save money in the long term. They are environmentally friendly and can decrease your energy bill by about 10% to 30%. For these reasons, double glazing is worth it!

    Which type of double glazing is best?

    Regarding the frame material, PVC seems to be the most efficient and least expensive. Aluminum frames offer a more durable option but also come at an increased cost compared with uPVC substitutes. The style/type of window can vary depending on personal preference as well as regional climate requirements - casement windows are popular in humid climates whereas sash windows might work better in temperate regions since they facilitate airflow through open slats.

    What should I look for when buying double glazed windows?

    • If you want to save costs, choose a small window company.
    • Check how knowledgeable and professional the sales representatives are.
    • Research about the right kind of glass.
    • Choose one that has the best window security.
    • Choose one that can easily shut out external noise and heat.

    What are the best uPVC windows?

    The Best uPVC Windows Manufacturers and Suppliers For customer satisfaction, local installers tend to have a better rating than national companies. Research local companies and their credentials to see who is the best for you.

    How does double glazing keep your house warm?

    Double glazing keeps your house warm by insulating the home. The gas or air inside of this window dramatically reduces heat transfer from the outside. This means that you’ve got effective temperature control in your house, and don't have to worry about drafts or condensation on cold winter nights!

    How much does it cost to replace one double glazed window?

    On average, a replacement of just the individual windows will range anywhere from £150 to £600 per window. In some cases, you can pay upwards of £2,000 for labor and supplies! The price also varies depending on what kind of glass is used and where it's located in your home. There are many factors that play into how expensive this project could be so get multiple quotes before committing.

    How long will your double-glazed windows last?

    If the window is in a sheltered location and not subject to any extreme weather, it can maintain its life for up to 30 years. In an exposed location with harsh weather conditions, however, you'll be lucky if yours lasts more than 20 years!

    How much does it cost to replace windows in the UK?

    When it comes to replacing windows, you can expect to spend £500 to £3,200 per window. The white UPVC casement option is the most affordable kind of window replacement.

    Is it worth replacing windows before selling a house in the UK?

    If the current windows are damaged, distressed, or faulty, replacing old windows will definitely increase the value of a property and could make the property sell quicker. Based on these calculations, replacing windows prior to listing a home is not necessary if current windows are fine. The cost is too high, and the payoff is not large enough to significantly increase the value of your home. However, there are smaller window upgrades that can help increase a home's energy efficiency, and therefore its value.

    How much do window cleaners charge in the UK?

    If you hire a window cleaner to clean your window, you can expect to be charged between £20 to £50 per hour. The exact rate will be dependent on the window cleaner that you hire and your location.

    How can you get condensation out of double glazing?

    Removing condensation from inside double glazing is resolved by a new glazing unit. If the condensation is on the surface of the window pane facing inside your home try to dry your clothes outside or using a dryer. Install an extractor fan in the bathroom and kitchen, and open the windows when these areas get excessively steamy.

    How do you get rid of condensation on the inside of windows?

    1. Get a humidifier.
    2. Put your houseplants in a different place.
    3. Try using a moisture eliminator.
    4. Use a fan when you shower.
    5. Do not air-dry your clothes inside the house.

    How much does it cost to repair misted double glazing?

    The average cost of having misted double glazing units repaired is £60 to £400. Depending on the situation, you might need a full replacement or just repairs for your window unit. Double-glazed windows can be around £72 for sash style and up to £620 if it's in bay form with an extra-large size.

    How do you fix misted double glazing?

    The repair process pretty much involves removing the sealed unit from the frame, splitting the panes away from the spacer bars, cleaning each pane thoroughly, replacing the desiccant, and then putting it all back together again, sealing each section, and then sealing the unit as a whole. Due to the competitive prices of new window units, it's cheaper to replace a glazed unit with a new one than it is to repair the unit on sight.

    Why does my window have so much condensation?

    Condensation between window panes can be caused by a break in the seal or when the desiccant inside runs out. Excessive moisture from warm air often causes condensation on cold windows, but interior condensation is mostly due to excessive humidity inside your house.

    How much are replacement double glazed units?

    On average, the cost for replacement double glazed windows will be around £350 and £400, depending on size. If you add in a uPVC door which costs £600, then you will spend about £3500 to £5000 for double glazing a house with 3 bedrooms.

    Is it worth replacing double glazing?

    In many cases, you can choose to repair your double glazing rather than having the whole window replaced. This may be a good choice, especially if your windows are less than 10 years old. However, if your sealing, glazing, or frames are nearing the end of their lifespan, you are more likely better off replacing them.

    Can you replace double glazed units?

    Replacing double-glazed units is a simple and quick process. It can also be done without having to replace the whole windows if your windows aren't very energy efficient anymore, which will save you time and money in the long run.

    How much does double glazing reduce heat?

    What would you say if I told you that double-glazed windows can reduce heat loss by up to 30%? That's a big difference!
    Double glazing works much like woolen clothing and fibreglass batts. It traps air between the two layers, which is why it's so great at reducing your energy bills in winter as well as making these hot summer days more bearable because of its efficiency.

    How does double glazing prevent heat loss by conduction?

    Double-glazed windows act as a barrier to heat, preventing it from escaping through the glass. The two panes of a window dramatically reduce conduction in both directions due to their increased thickness and low permeability.

    Does double glazing retain heat?

    Double glazing is not just a way to stay warm in the winter. Double glazed windows are also responsible for limiting the amount of heat seeping into your home during summer.

    How often do uPVC windows need replacing?

    It will typically last around 20 years, which can vary between 10 to 35 years depending on the quality and upkeep. If your uPVC windows were installed before 2000, it's likely that they might need a bit of repairing or replacing by now!

    Can you replace the rubber seal on double glazing?

    Replacing seals, although not a complicated job, needs care so that the frame will not be damaged in the process.

    Should I replace all the windows at once?

    A single window replacement can meet your needs. If funds are tight, go ahead and replace that one worn-out window. If you have more financial flexibility, consider replacing multiple windows at once. You can improve your aesthetics and energy efficiency in the long run. As a general rule people normally replace all the front or/and back windows at the same time so that windows all look consistent, as one company window profile will often vary from the next.
    Lots of window companies provide finance options which also might help.

    How thick are double-glazed windows? They're surprisingly only 1/2 inch thick! They have a 4mm thick glass on each side, and there is an air gap of 3.5cm between the two panes to let in natural light while keeping out cold drafts.

    What is the thickness of standard window glass?

    The thickness and type of the windows in your home can be determined by design criteria, performance specifications, building codes, or a combination thereof. However, most residential homes use 3-5mm thick float clear glass for their windows with 4mm or 5 mm toughened crystal methacrylate (PMMA) used on doors due to its safety features against breakage during rough handling.

    How do you measure the thickness of double glazing glass?

    There are industry tools that are used to determine glass thickness.

    How do you measure UPVC Windows?

    Measure your window from the inside of the property. Measure the brickwork opening in 3 places for both width and height. Of the 3 measurements use the average and provide this to your windows company for a quote. The windows company will send out a surveyor to get the exact measurements.

    What is the standard thickness of double-glazed units?

    Double glazed windows are 28mm thick with a configuration of 4-20-4mm. This represents glass thickness, cavity depth, and glass thickness. Double glazed units also come with argon cavity gas.

    Can you just replace the glass with double glazing?

    Replacing a glass of double glazed windows is quick, easy, and inexpensive depending on your window. Replacing it with a new one can be done in under an hour by any handyman or experienced DIY.

    How much does it cost to replace glass in a double glazed window?

    If you're looking for the average, expect to pay £100 to £300. It is more expensive if your windows are large or blown out and need other repairs too, averaging at about £200 to £800 per window!

    How do you replace double glazing glass?

    How to replace double glazing units: step by step Removing and installing windows can be a tricky process. Research properly before starting and we would always recommend an experienced installer to do this but also understand there are some skilled DIYers out there.
    1. Starting from the inside of your window, remove the wedge gasket.
    2. Move to the outside and remove the glazing beads.
    3. Make a note of where any glazing packs are located before removing and from around the top and sides.
    4. Remove the blown double glazed unit.

    How do double glazing windows work?

    The science of double glazing is simple but the benefits are huge! Double-glazed windows trap air between two panes to create an insulating barrier that prevents heat loss or gain through a window. It also keeps any outside noise from infiltrating your home, ensuring peace and quiet.

    What is between the glass in double glazing?

    The argon gas between the two panes of glass in double glazing is a poor heat conductor and therefore keeps warm air from escaping. The second pane acts as a barrier to noise, allowing for energy-efficient insulation while reducing unwanted outside sounds.

    How does double-glazed glass reduce heat loss?

    Double glazing actually works by trapping air between the two panes of glass which allows it to act as an insulator and decrease heat loss. Double-glazed windows can reduce heat loss from a window by up to 50%.

    Does double glazing reduce heat loss?

    Double glazing units do not completely stop heat from escaping, but they can significantly reduce the amount of heat lost through your windows.

    How does double glazing prevent heat loss via conduction and convection?

    Double glazing prevents heat loss via conduction and convection. This is done by placing air or a vacuum between two panes of glass, eliminating the chances for either to take place. The material also reduces circulation inside the cavity, preventing any chance of losing heat through convection as well!

    Does double glazing make your house warmer?

    In winter, you'll be more comfortable with a home that has double-glazed windows. The glass will keep out drafts and reduce the amount of heat lost to outside air, which can help save money on heating bills! In hot summer months, there is less heat from the sun coming from outside when using the extra layer of glass in double glazing in combination with blinds for shading.

    Does triple glazing add value to your home?

    You bet it does! Not only do they reduce noise better than double-glazed windows, but they also use less energy and save you money. What's more, is that a new window can increase the property price by 10%-20%. So if you want to improve your house without spending too much on an upgrade, then this might be just what you need.

    Does triple glazing keep noise out?

    Noise can be a difficult thing to live with, and triple glazing windows are often the answer. These impressive pieces of technology have been shown to provide excellent soundproofing properties that reduce exterior noise levels within your home. But you may need additional steps if it is still too noisy for comfort — use thicker or different combinations of glasses in order to keep all external noises out!

    Should I get double or triple-pane windows?

    Double pane windows are more than sufficient for the average homeowner. If you're interested in energy savings, insulation, and extreme climate fluctuations, triple panes do a better job of insulating your home but are not needed if your only concern is conserving electricity within normal temperature ranges.

    How do you stop condensation on the inside of double glazed windows?

    Keeping your home at a stable temperature will make it harder for condensation to form. To do this, use an extractor fan or open the bathroom window when getting in and out of the shower/bath, which removes moisture-rich air preventing water vapour from circulating inside your property.

    How do you get rid of moisture between double pane windows?

    If there is moisture in between the glass panes themselves they you need to speak to a local window repair specialist.

    Should you get condensation on the inside of double glazed windows?

    Condensation on the inside of double glazed windows is a good thing. It means that you have warmer, more comfortable living quarters and your energy bills will not be so high from all those drafts going through open windows. If your getting excessive condensation you might want to look at reducing moisture in your home.

    What do double glazing windows do?

    Double-glazing windows provide insulation and can be a great way to help keep the temperature of your room stable, even during drastic changes in weather.

    What are the disadvantages of double glazing?

    Double glazing has a high cost to get installed might not suit everyone’s budget. Also building control might not allow double glazing if your house is a listed building.

    How do double-glazed windows work in physics?

    Double glazing is a fantastic way to keep your home warm and quiet. It features two panes of glass, separated by argon gas that both act as an insulator against heat from escaping or noise entering the house.

    How long do double glazing windows last?

    The average lifespan of these is 25-30 years. However, if they are exposed to extreme weather on a regular basis and not kept sheltered from the harsh sun or rain then their life expectancy will be drastically reduced to 20 years.

    How do you measure for double glazed windows replacement?

    When measuring for new double-glazed windows, do not measure from the existing window or frame. Instead, take three measurements of width across top, middle and bottom to find your perfect size!

    Do you measure replacement windows from the inside or outside?

    If you're looking for replacement windows, it's important to measure them from the inside! Measure high at three points: left side, center, and right. Take your smallest measurement of these three heights as a final height in inches or centimeters that will guide you through ordering window replacements online.

    How do you size a window?

    To size your window frame, measure from the top of the fixed-frame piece to the bottom. Measure three times down each side and take note that you will use whichever measurement is shortest — this ensures a perfect fit for your new window!

    How much does it cost to fit a double glazed window?

    The average cost of double glazing for uPVC casement windows is between £500 to 1,230 depending on the size and how many are being replaced in the property. In addition to keeping your home cool during summer heatwaves (and warm during winter cold snaps), new window installation will increase your home's curb appeal making it a more attractive option among buyers if you choose to sell at some point down the road.

    Can you negotiate window prices?

    Get 3 quotes for your windows and decide on which company suits your needs better. You can ask if there are any discounts available.

    Can you convert a single pane window to a double?

    It is possible to convert single-pane windows into the retrofitted, energy-efficient glass. Retrofit double glazing made of PVC or acrylic laminate can be applied over your existing old and drafty wooden frame for an effective increase in insulation. If that doesn't work out you might want to check out the "magnetic insert" method which uses magnets to hold thin pieces of clear plastic sheets behind your wood-framed windowpanes without any screws!

    How is a double-glazed window made?

    The air between the two panes of glass has a unique property that helps to insulate against heat transfer. The formaldehyde-free, low-emission gas is known as argon.

    How do you stop condensation on windows overnight?

    You can open the window, turn on your air conditioning or fans. Open curtains and drapes for better circulation of cold air in the room during wintertime. Move plants closer to a fan if they're too far away from it; this will help with humidity levels as well!

    Why am I getting condensation on my new windows?

    You're getting condensation on your new windows because they are more airtight - less of the warm outside air is being allowed to enter. And when humid and cold meet, condensation will often appear near the bottom of glass panes as water vapor gathers from humidity in cool rooms.

    How often should you replace double glazing?

    You can extend the life of your windows by making sure that you have them installed to code, and also take care when cleaning. If they are still in good shape after 20 years it could be worth considering replacing them.

    How much does it cost to replace a window?

    A double-glazed uPVC casement will set you back between 500 and 1,230 pounds depending on the size of your windows.

    Does it make sense to replace old windows with new double-glazed ones?

    There are several benefits that come from upgrading your window, even if the expense is significant.
    1. Save money: Modern glazing can save you a lot on energy bills. While replacing an entire set of windows won't provide enough savings for most people, it could still amount to £55 - 150 per year in the United Kingdom depending on where they live and what heating fuels they use (gas or electric).
    2. More resale value when selling property: Older style single pane radiators often look dated and lower quality than more modern replacements which may increase demand for home sellers who need their house valued at as much as possible before moving day arrives.

    What's the best way to get your windows shining?

    First, you need some warm water and a squirt of soap or dedicated liquid window cleaner in a bottle

    Can you clean inside double pane windows?

    Most windows can be opened up to allow cleaning. If you can there are products on the market which let you clean from the inside or call a local window cleaner to help.

    What should I look for when buying a uPVC window?

    This is the perfect time to make sure you are getting your money's worth by choosing one that meets all of your requirements. Keep these features in mind: energy efficiency, strength and sound insulation, glass thickness, security level, and warranty/colour stability.

    What is the best type of double-glazed windows?

    The best type of double glazed windows is PVC frames with casement or sash style. The efficiency and low cost make it the most popular frame material for this window treatment, while aluminum is too expensive to be more functional than a substitute like uPVC. There isn't much variance in styles available because these two types have been so successful over time that they dominate the market!

    Can you haggle with double glazing?

    Always get 3 quotes and see how prices compare. If you're in the market for double glazing, don't let yourself be scared off by the prices. Remember that there will always be room to negotiate: start with a low offer and see if they can bump up your energy rating or discount on the price. Always wait until asked before signing anything at all - even when it's after hours of shopping around!

    How do I stop my double glazing steaming up?

    Why does your window have a foggy film? You may not be using the right solution. Open windows to allow for ventilation and turn on extractor fans in kitchens or bathrooms where there is steam present. Simple, cost-effective solutions will help with this issue!

    Should double-glazed windows steam up on the outside?

    With double-glazed windows, the moisture that accumulates on the outside of your window is actually a sign you're keeping things cozy inside. This phenomenon occurs when warm air from indoors meets cool outdoor temperature to create condensation on both sides of your glass-paned door.

    Are UPVC windows energy efficient?

    Our energy-efficient windows are A+ rated. Our UPVC double glazing windows are known for their high-energy efficiency and low maintenance costs, making them the perfect windows to install in your home or business establishment.

    How do you maintain UPVC windows?

    Our windows have virtually no need for maintenance. You get to save time and money and won't encounter any rot or chipping either!

    Are UPVC windows secure?

    Our double-glazed UPVC windowscome with sturdy locks and are manufactured seamlessly with the use of high-grade materials to give you windows that will keep you and your family safe.

    Are UPVC windows soundproof?

    Our windows make it easy for you to enjoy the peace and quiet in your office or home because they have a good level of soundproofing as standard.

    How much are UPVC windows?

    The cost of UPVC windows is determined by factors such as size and number of openings. A small casement window can cost only £400 whereas a large one would be about £600. You can get a free quote now!

    What are the different styles of UPVC windows?

    Our wide selection includes unique openings and formations that fit perfectly into any space, so you can find a style to suit every home.

    How effective are UPVC windows in keeping a home warm?

    Planitherm One is our standard glass offering, which has a superior U-value that ensures your home will be properly insulated.

    Are UPVC windows guaranteed?

    When you buy UPVC windows from us, your product is protected by a 20-year guarantee and backed up by the manufacturer. This provides you with peace of mind, knowing that your purchase is protected by 2 parties after its installation.

    Are there eco-friendly UPVC windows?

    We use high-grade recycled UPVC to make our windows and this material can be recycled after the windows’ lifespan.

    How can I get a free quote on double glazing windows?

    For us to be able to give you an accurate quote, we need you to schedule a free no-obligation home appointment with us so that we can take the exact measurements.

    Is there a flexible payment option when buying UPVC windows?

    If you want to do some home improvements but don't have a lot of money, you can pay in monthly installments with flexible options. You can pay off your loan more quickly without having an extra charge and make additional payments whenever you can.

    How long does it take to install new double glazing windows?

    Installing a window can take anywhere from an hour to three hours depending on the size and type of your replacement.

    Will the company doing the installation of my new windows be the one to remove the old ones and dispose of them?

    A good window company will remove and dispose of any old windows in an environmentally friendly way, recycling as much material from the original product as possible.

    Will there be a big mess during the installation of UPVC windows?

    A professional window replacement company can make sure to cause as little mess and disruption in your home as possible

    What is the lifespan of double-glazed windows?

    Double glazed windows may last up to 20 years, but this can vary based on the quality of installation. As time goes by, they become less energy-efficient and should be looked after in order to make them last as long as possible.

    Does triple glazing offer better soundproofing than double glazing?

    Triple glazing may slightly reduce noise penetration more than double glazing, but for soundproofing, most people go with the more affordable option of double glazing.

    Does double glazing have an effect on the value of a property?

    Prospective buyers are often put off when the property they want to buy has single glazing. Single-glazed windows have an energy inefficiency, meaning it costs more money for replacement and might lead to damp issues. This can result in a lower value if you decide to sell your house compared to that of others on the market which feature double glazing installed inside their homes within similar conditions as well.

    Is it easy to break into double-glazed windows?

    If you are looking to protect your home, double-glazed windows might be a great option for you. Double glazing is very hard and time-consuming to break into; most burglars will avoid this type of window if they can because it requires too much effort and noise which attracts attention from neighbors or passersby.

    Can double-glazed windows block harmful UV rays?

    Double glazed windows are the best way to block harmful UV rays, but some of them will still get through. The least harmful type is able to pass through these types of windows and you would only get a tan by staying exposed to it for too long.

    Will I save more on my energy bill with double-glazed windows?

    Double glazed windows have the potential to save you nearly 20% on your yearly energy bill. They can increase insulation by 18%, making them a worthwhile investment for homeowners who want to reduce their carbon footprint and lower expenses at the same time.
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