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Top-Rated Furnace / forced air heating system install or replace pros in Princeton - Updated Nov 2026

Avatar for Annette Hale's Indoor Comfort Systems
Annette Hale's Indoor Comfort Systems
4.7(
120
)
Electric Furnace / Forced Air Heating System - InstallBoiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For Business+43 more

Serving Princeton, AL and surrounding areas

Approved

In business since 1997

Emergency services offered

Credit card accepted

"This was by FAR the best experience I?ve had with an HVAC company. Customer service line was quick, easy and helpful. The service tech Ronnie Austin was very knowledgeable and professional. He answered all of my questions with patience and I was able to understand everything he explained. I now have more confidence in my system and services. I will definitely remain a customer for years to come and give many recommendations. Thank you Annette Hales !"
Response time1 day
8 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Eagle Pro Heating & Cooling
Eagle Pro Heating & Cooling
4.8(
6
)
Ducts & Vents - Install or ReplaceGas Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair+3 more

Serving Princeton, AL and surrounding areas

Approved

In business since 2000

Credit card accepted

Offers commercial services

"Eagle Pro Heating and Cooling is a Christian based HVAC company located in Northern Alabama with locations in Muscle Shoals, Hartselle, Haleyville and coming soon Huntsville/Madison AL. Founded in 2020, Eagle Pro Heating and Cooling was created to fill the need for exceptional customer service in the HVAC industry. \n \nWe pride ourselves on the culture we have created that implements our values of faith, family, and fun while providing professional and expert level HVAC services. \n \nOur customers will be able to feel this differentiator when interacting with any of our team members. Call us today and let us be the last HVAC company you will ever need!"

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+105

Avatar for Sensigreen Heating, Cooling & Insulation
Sensigreen Heating, Cooling & Insulation
4.2(
14
)
Electric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - InstallHeat Pump - Install or Replace

Serving Princeton, AL and surrounding areas

Approved

In business since 2012

Free estimates

Emergency services offered

"SensiGreen stands behind their work and product unlike any other construction/contractor I have ever seen in home work! We had some trouble with our air conditioner and they came out several times without any complaint until getting it just right. They provided us with "second mile" service going above and beyond what I expected in courtesy, professionalism, willingness to make sure we were totally satisfied, and in delivering a great product. Our home has their spray foam insulation throughout (walls and attic), their AC system, and even a UV system in the ducts to keep our air clean. I highly recommend them!"
Residential Install Pics
HVAC Install
3 neighbors recently requested a quote
Recommended by58%of homeowners
Ductworx, LLC
4.9(
8
)
Ducts & Vents - Install or Replace

Serving Princeton, AL and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

C&C Homebuilding and Construction is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

Response time6 hrs
Response rate92%
3 neighbors recently requested a quote
Avatar for Alabama Comfort Experts LLC
Alabama Comfort Experts LLC
5.0(
12
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Princeton, AL and surrounding areas

In business since 2014

Free estimates

Emergency services offered

"Let's just say I saved a lot of money by having them come out and provide a second opinion.  ACE came on-site promptly and diagnosed relatively light issues with our units that were causing them to not operate correctly.  They performed some of the repairs to get some sections running that day, even in the 100+ degree heat we were having and came back in two days with a repair part to fix the remaining unit.  These units have run non-stop without any additional intervention.  Can't believe another provider was trying to tell us to replace the units for a very considerable cost when ACE was able to quickly see and diagnose the issues.
I recommend them to everyone and am so glad to have found an HVAC company I can trust!
"
Cracked heat exchanger
Dirty evaporator coils
Proper unit sealing
Recommended by100%of homeowners
Avatar for Covenant Air LLC
Covenant Air LLC
4.7(
27
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+43 more

Serving Princeton, AL and surrounding areas

In business since 2010

Credit card accepted

"Overall, we were very satisfied with the knowledge and quality of work that Covenant LLC provided. We had Covenant LLC install a radon mitigation system for our basement. Initially my husband and I met with David for the estimate and consultation. David spent the time to explain how radon can get into the basement, what the system would look like, and how he was going to make sure it was working. After meeting with David at Covenant, we met with a competitor who were definitely not as knowledgeable, were not going to seal any of the cracks or holes in the foundation or even follow industry standard by venting through the roof of the house. The day of install the crew was personable and professional and if they had any questions, they asked. The 3" pipe that Covenant had to install to run through a closet and into the attic. In order to do this, they had to drill through the porcelain title floors and run through 3 shelves. They spent extra time to jig-saw cut the shelves around the pipes and they took special care not to crack any of the porcelain tiles and when finished it looked like it was built with the house. After completion, Covenant came back and tested the radon levels which were reduced to below their guarantee, which itself is orders of magnitude below the EPA limit. We were probably not the easiest clients to work with as we had Covenant move the roof penetration several times until the noise was completely unnoticeable. David was always polite and professional and he wouldn't be satisfied with the job until we were satisfied. We highly recommend Covenant Air to anyone who is considering these services."
Closet
Fan Placement
another view
Recommended by88%of homeowners
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FAQs for furnace / forced air heating system install or replace projects in Princeton, AL

Converting from an oil furnace to an electric furnace isn't a simple swap—the oil system needs to be completely removed before installing the electric furnace. You'll need a full electric system installation, but you might be able to reuse existing ductwork if it's up to current safety standards. You’ll need to budget for a new electric furnace installation, which costs between $1,800 and $6,200, including professional removal, proper disposal, and safe installation of the new system.

Electric furnaces are 100% efficient at converting electricity into heat. However, some of that heat can be lost as it travels through your home's ductwork or escapes through poorly insulated areas. That's why regular duct maintenance and proper home insulation are important to maximize your furnace's efficiency and reduce heat loss, ensuring consistent warmth and lower energy costs.

With proper maintenance, an electric furnace can last anywhere from 20 to 30 years, outlasting the average gas furnace's lifespan of 15 to 20 years. To keep your electric furnace running efficiently, schedule regular cleanings, tighten connections, and have inspections done before winter arrives. With routine maintenance, you’ll ensure consistent, safe heating for years to come.

The size of the electric furnace you need depends on factors like your home's square footage, climate, and insulation quality. As a general guideline, those who live in warmer climates should multiply their square footage by 30 to 35 BTUs, while those in cooler areas should multiply it by 50 to 60 BTUs.

Consulting with an HVAC professional can help you determine the exact size that's right for your home.

An electric furnace works by converting electricity into heat using high-resistance heating elements. A blower then pushes the warm air through your home's ductwork, distributing heat evenly throughout your space. Since there's no combustion involved, electric furnaces eliminate the risks associated with gas furnaces and provide consistent, reliable heating when properly installed.

An electric furnace uses between 40 and 80 kilowatts per day to heat your home. The exact amount it uses depends on factors like your home's size, insulation, and overall energy requirements. Larger homes or those with poor insulation use more energy than smaller, well-insulated spaces. A professional furnace assessment can help confirm the ideal unit size for your needs.

The Princeton, AL homeowners’ guide to furnace / forced air heating system installs or replaces

From average costs to expert advice, get all the answers you need to get your job done.