
Serving Denison, TX and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"On time, professional and courteous! They'll be handling all my future AC needs!!!"





+28


Serving Denison, TX and surrounding areas
Approved
In business since 2024
Free estimates
Emergency services offered
"On time, professional and courteous! They'll be handling all my future AC needs!!!"





+28

Serving Denison, TX and surrounding areas
Approved
In business since 2022
Free estimates
Warranties offered
"Our AC went out yesterday evening and this morning at 7:30am my sister called an AC repairmen, Legacy Air Heating & Cooling, they answered the phone right away, made the appt for 10-12 today! Repairman showed up on time, fixed the clogged drain, checked the unit over, and told us a price, then finished fixing the problem, unit was low on freon, and then went into the attic to see if any ductwork was loose or off of the ceiling vents. Josh is a very professional serviceman. Best AC Repair experience I have ever had!"





+14

Serving Denison, TX and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"Excellent service and great price…..My ac compressor went out. They had me up and going by the end of the day ! I Highly recommend these guys !"





+4

Serving Denison, TX and surrounding areas
In business since 2003
Free estimates
Emergency services offered
"I had been experiencing uneven heating and cooling and high electrical bills for many years. My unit was also almost 20 yrs old and not working very well anymore. I did my homework and decided I wanted a Trane. I contacted several companies for estimates. Air Network as the only company who contacted me in the time frame promised as well as coming out to see what my needs really were. It turned out my duct work was done improperly by the previous owner resulting in my uneven cooling. Air Network answered all my questions honestly and gave me several bids on different brands and sizes before the day was done. I still insisted on the Trane which by brand names is not the least expensive but was still at a very good price. His crew showed up on time during a day where it rained all day. They put mats on my floors and began dismantling my system. Chris the owner drove 2 hours to north Austin to pick up the unit I requested since there were no local Trane outlets and then 2 hours back to Hallettsville. They worked so efficiently I actually fell asleep in my recliner while they worked. By the end of the day I was more comfortable in my home than at anytime since I bought it. His crew were neat and courteous and left my home cleaner than when they arrived. I was so impressed by Air Networks that I will not allow any other company to service my system in the future. There were no extra or hidden costs. The job was done for exactly what the estimate was. I HIGHLY recommend Air Network. This is the first 5 star rating I've ever given a business, but Air Network truly deserves it."

Serving Denison, TX and surrounding areas
In business since 2013
Free estimates
Emergency services offered
"Tech Larry was so nice and very informative. He made sure I understood everything and worked with me to get what I needed so my family was taken care of from the heat."





+5

Serving Denison, TX and surrounding areas
Free estimates
Credit card accepted
"They were great. I hired them to remove old insulation and install new insulation. They discovered serious issues with my a/c duct work. They rearranged their schedule to come back and make repairs to the ducts. They were lifesavers."





+38

Serving Denison, TX and surrounding areas
In business since 2006
Free estimates
Emergency services offered
"Service person was professional and explained how to maintain system. He was very knowledgeable and informed hot ot take care of softner system"




Serving Denison, TX and surrounding areas
In business since 2018
Free estimates
Emergency services offered
"I actually tracked down the owner of this company, because he is simply amazing, When I heard he had left his previous company, I was so delighted to hear that he had started his own company Swan, They are very good with the plumbing, A/C and heating, On their trucks it states Technicians That Care and they really do. They do stellar work! They are honest, dependable, and trustworthy. You can really tell that they care. It is the kind of customer service that you sadly don't see anymore. I highly recommend them to anyone!"





Serving Denison, TX and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"Mr. Ferrell worked with my husband over the phone to fix the problem. It was surprisingly fast and stress-free. To have the work done remotely in less than an hour was wonderful."


Serving Denison, TX and surrounding areas
In business since 2009
Emergency services offered
Warranties offered
"Air conditioner stopped working in 92 degree weather in June. Airtemp repaired it the same day."
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.
From average costs to expert advice, get all the answers you need to get your job done.

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