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What Sized Furnace Unit Do I Need?
Posted On: October 6, 2023
Determining the appropriate size for a furnace involves considering various factors related to your home's size, insulation, climate, and heating requirements. It's crucial to have a properly sized furnace to ensure energy efficiency, comfort, and longevity of the system. Here's a general guide to help you estimate the size of the furnace unit you may need:
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Calculate the Heating Load:
- Perform a heat load calculation, also known as a Manual J calculation. This takes into account factors such as the size of your home, insulation levels, window quality, and local climate. You can use online calculators or consult with a heating professional to perform this calculation.
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Consider Climate:
- Colder climates generally require larger heating systems. If you live in an area with harsh winters, you might need a more powerful furnace.
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Account for Insulation:
- Well-insulated homes retain heat better, reducing the required heating load. Consider the insulation levels in your walls, attic, and windows when sizing the furnace.
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Evaluate Windows and Doors:
- The type and quality of windows and doors in your home can significantly impact heat loss. Energy-efficient windows and doors help retain heat better.
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Include Room Layout:
- Consider the layout of your home. Open floor plans may require a larger furnace, while smaller, well-defined rooms might have different heating needs.
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Think About Air Ducts:
- The efficiency of your ductwork can affect the furnace size needed. Well-designed and properly sized ducts can contribute to the overall efficiency of your heating system.
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Factor in Future Expansion:
- If you plan on expanding your home or making significant changes, consider how these changes might affect the heating load in the future.
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Consult a Professional:
- It's highly recommended to consult with a heating professional or HVAC contractor. They can conduct a thorough assessment of your home and provide accurate recommendations based on your specific situation.
Remember that oversizing or undersizing a furnace can lead to various problems, including reduced efficiency, uneven heating, and increased energy costs. A professional assessment will help ensure you get the right-sized furnace for your home's unique needs.
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See What Our Customers Are Saying:
Apr 12, 2019
On one of the coldest days of winter, our furnace stopped working. Our regular furnace company came and told us we had a CO2 leak and shut us off. Their quote for a new furnace was way too high and they couldn't even install it on the same day. TwinTech was recommended to us by a friend. We called and spoke to Dave who was very nice and knowledgeable. Grant showed up a short time later and a new furnace was installed the same day with no troubles at all. Best of all, we received a higher-end furnace than what was offered by our previous company and at a cheaper price. I would recommend TwinTech with no hesitation at all.
Apr 11, 2019
I installed a new furnace and Air conditioner with them. The installation is of high quality and according to standards. The guys are professional and reasonably priced.. I highly recommend them.
Apr 10, 2019
Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!
Mar 4, 2019
This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!
Feb 22, 2019
Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.
Feb 16, 2019
Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.
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