972-291-8002 info@cozydair.com



Our mission is to serve the DFW Metroplex with quality service at a competitive pricing with integrity, and in a timely manner.

We offer financing! Click here to apply.


Browse our frequently asked questions (FAQs) for answers to our most commonly asked questions.

How often should I get my unit serviced?

Twice a year. We recommend Spring & Fall.

why is my thermostat screen black/blank?

This issue could be fixed by flipping on a flipped off breaker. Or simply replacing old batteries.

How often should I change my filters?

Less expensive filters: Every 30 days is best.

Midgrade filters: Every 60 – 90 days is best.

Some filters you change once a year.

If you have pets, we recommend changing filters more often.

if i have a heat pump is it supposed to ice over?


New installation services

We specialize in heating and A/C installations, as well as ancillary installs, for residential and commerical customers.

New Heating & A/C Installments

We install new heating and/or air conditioning units for residential and commerical clients. We offer all of the popular brands such as Trane, Carrier, and Lennox.

Duct Work Installment

Ducts control the flow of air from your heating and cooling system throughout the property. We install new ducts throughout your property.

Air Purification Installation

An air purfication system removes such as impurities as germs, bacteria, household odors, chemical vapors, and airborne particles. 

Smart Thermostat Installation

Smart thermostats allow for more efficient homes. The thermostat can be programmed for optimal home temparture and controlled with a smart phone. We can install the latest smart thermostats including Nest, Honeywell, Ecobee, and many more.

Maintenance and Repairs

We offer maintenance and repairs for residential and commerical properties.

Annual maintenance

Have your service regualarly maintained to keep your unit(s) working efficiently.

Tune-up visits

Your keep your A/C and heating systems in top shape. Let us maintain your system. Click here to learn about our Club Memberships for only $14.99/month.

Emergency Services

If you have an emergency contact us immediately and allow us to take care of you.

duct work repair

Ducts carry the air through out the property. Make sure the ducts are properly cleaned and repaired for optimal service.


“I have done business with Cozy-D Heating (Thomas) for over twenty years, and only have received appreciation from clients I referred. Great man that provides great service”

Louis E. Laurant

“Thomas and his team are fantastic! They are honest and reliable and place their customers first! I have used Cozy-D for my own home and recommend him to all my clients!”

Franceanna Campagna

“I can ALWAYS count on this company. Thank you Adrian & Josh of Cozy-D. These guys were very professional, even waited until I made it home after I had to leave work a little late. Got the AC working great, explained everything they were doing with very reasonable costs. I’ve used this company for several years now & I rate them 5 stars each time. Thank you!!”

Yvette King

We are Available for you!

Office Hours

Monday – Friday: 8:00 a.m. – 5:00 p.m.
Saturday: By Appointments Only
Sunday: Closed


Financing available! Our financing department provides quick decisions in 24 hours or less. Click to begin the process today.

Payment Options:  We accept all major credit cards, cash and personal checks.


Our mission is to serve the DFW Metroplex with quality service at a competitive pricing with integrity, and in a timely manner.

Call Us Anytime: 972-291-8002