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TRUSTED BY DIANA, TX HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon88
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Diana - Updated Nov 2026

Avatar for C. Woods Company
C. Woods Company
4.3(
202
)
Central A/C - Service or RepairAir Ducts & Vents - CleanElectric Furnace / Forced Air Heating System - Install+16 more

Serving Diana, TX and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1956

Free estimates

Emergency services offered

"When Sears was the only match on my HVAC project, I knew I was in trouble. Sears did not even bother to contact me so I called the plumbing company C Woods out of Tyler to see if they did HVAC installs. They did! they came out the next day to give me a quote and was able to install the system the following week. I gave them 4 stars for the work quality because they did leave dirt smudges on the walls and scratched the wood near where the old unit had to come from. I have them 4 stars on value for money because while it was probably a fair price, I just thought it was a little pricey. Overall, I would rate them 5*. We've had a good amount of work done at our home - we recently purchased a 42 year old home and my guess is none of the plumbing had ever been updated. So far so good! They are pleasant to deal with and their office staff is top notch!"
Electrical
Electrical
Electrical
Electrical
Outdoor AC Repair

+14

158 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for A/C Contractors, LLC
A/C Contractors, LLC
4.6(
17
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - InstallGas Furnace / Forced Air Heating System - Repair+3 more

Serving Diana, TX and surrounding areas

Approved

In business since 1988

Free estimates

Emergency services offered

"Very fast to respond, had the service tech out the same day, service tech was very nice and friendly explained sp needs to be addressed had them done while he was here and price seemed reasonable to me. Would recommend, will more than likely have them back for future ac and furnace work when needed again."
Longview and Tyler TX Comfort Kings
Response time3 hrs
46 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Nexgen Comfort Services
Nexgen Comfort Services
4.1(
10
)
Central A/C - Service or RepairElectric Furnace / Forced Air Heating System - RepairGas Furnace / Forced Air Heating System - Repair+1 more

Serving Diana, TX and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Sept 24, 2025. Well, I have to say this duo team did such a professional job on the new hvac system. I could tell Omar and Eric had the experience and really cared about the proper installation and doing everything correctly. I would definitely recommend this duo team for any work needed on AC work or installation! Also, I would thank Nex Gen for working so well with our home warranty provider. For working with so well with our home warranty provider."
Response time7 hrs
Recommended by50%of homeowners
Two Amigos A/C & Heating LLC
5.0(
1
)
Central A/C - InstallCentral A/C - Service or RepairElectric Furnace / Forced Air Heating System - Install+9 more

Serving Diana, TX and surrounding areas

Approved

Free estimates

Emergency services offered

Warranties offered

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Two Amigos A/C & Heating LLC strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.

34 neighbors recently requested a quote
Noble House Concierge
New to Angi
Air Ducts & Vents - Clean

Serving Diana, TX and surrounding areas

Approved

Emergency services offered

Hello homeowners! I’m the owner of Noble House Concierge and Organization, where I help homeowners enjoy a more organized, comfortable, and well-maintained home.\n\nFrom home organization and decluttering to vacation home monitoring, property checks, and personalized home care, my goal is to take the stress off your shoulders and give you more time to enjoy the things that matter most. \nWhether you need occasional assistance or ongoing support, I provide reliable, personalized services tailored to your home and lifestyle.\n\nYour home deserves exceptional care, even when life gets busy. I would love the opportunity to help make your home feel more peaceful, organized, and cared for! 🏡

Organization
Home Organization📚📁
Home Organization📚📁
...
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Heating and Air Conditioning FAQs, answered by experts

The American Society of Heating, Refrigerating, and Air-Conditioning Engineers, or ASHRAE, sets the standard guidelines for air changes per hour in homes and businesses. The International Residential Code, or IRC, also sets ACH requirements for residences and bases those requirements off of ASHRAE standards plus climate specifics related to your location.

Freon will go in the refrigerant lines near the back of your AC unit. Look for small ports with caps on a thin copper line—the Freon goes into those ports. You are best off hiring a licensed HVAC professional who can complete the job safely and correctly.

An HVAC system typically lasts between 10 and 30 years, with an average lifespan of 15 to 25 years. The longevity of the system is influenced by factors such as the quality of the unit, usage frequency, local climate, and how well it is maintained. Regular maintenance, including cleaning, filter replacements, and professional inspections, can help maximize its lifespan. Different components within the system have varying life expectancies. For example:

  • Furnaces: 15 to 30 years

  • Boilers: 20 to 35 years

  • Air Conditioners (AC units): 12 to 20 years

  • Heat Pumps: 10 to 20 years

  • Ductless Mini-Splits: 10 to 30 years

Some AC filters, known as reusable filters, can be cleaned and reinserted. Most AC filters, however, are disposable and cannot be cleaned. 

There are a few ways to reduce your electricity bills if you use window AC units to keep cool. Set the unit temperature at least 1 degree higher than it is currently to reduce costs. Keep the unit clean for it to run efficiently. You may want to hire a window AC specialist near you to inspect the unit once a year and keep it in tip-top shape.

The Diana, TX homeowners’ guide to heating and air conditioning services

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