HEATING & a/c LLC
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.
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.
Have your service regualarly maintained to keep your unit(s) working efficiently.
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.
duct work repair
Ducts carry the air through out the property. Make sure the ducts are properly cleaned and repaired for optimal service.
Browse our frequently asked questions (FAQs) for answers to our most commonly asked questions.
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.
“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!”
“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!!”