Air Conditioning
Expert AC installation, repair, and replacement. We service all major brands and offer free estimates on new systems.
Schedule AC ServiceDave Lennox Premier Dealer Since 1963
Dallas HVAC Done Right, by People Who Care
Family-owned and operated for over 60 years. NATE-certified technicians delivering expert AC repair, heating service, and indoor air quality solutions across Dallas and North Central Texas.
NATE Certified
Licensed & Insured
Years Serving Dallas
The Craftsmen of Comfort
Indoor Air Quality
Make Your House a Safe Home with Year-Round Anti-Germ Protection
Dalco offers a variety of highly effective germ protection solutions including germicidal lights, disinfecting fogging, and expert duct cleaning. Protect your family from airborne contaminants and breathe cleaner, healthier air every day.
Germicidal UV Lights
Disinfecting Fogging
Expert Duct Cleaning
Call for Details: (214) 381-1445
What We Do
Complete HVAC Services for Your Home
From emergency AC repair to full system replacement, our NATE-certified team handles it all with the craftsmanship Dallas has trusted since 1963.
Heating & Furnace
Furnace repair, installation, and seasonal maintenance. Stay warm all winter with our reliable heating services.
Schedule Heating ServiceIndoor Air Quality
Germicidal UV lights, disinfecting fogging, and professional duct cleaning for healthier air in your home.
Improve Air QualityComfort Service Plan
Annual maintenance with priority scheduling, discounts on repairs, and extended equipment life. Join today.
Learn MoreAbout Dalco
The Craftsmen of Comfort Since 1963
Dalco Air Conditioning & Heating has been family-owned and operated for over 60 years. We are a Dave Lennox Premier Dealer, which means we meet the highest standards for installation, service, and customer satisfaction in the industry.
Our NATE-certified technicians bring old-world craftsmanship to modern HVAC technology. Every job, from a simple repair to a complete system replacement, receives the same attention to detail that has defined our reputation since 1963.
- Family-owned, Dallas-based
- Dave Lennox Premier Dealer
- NATE-certified technicians
- 24/7 emergency service
- Free estimates on new systems
- Licensed TACLA001755C
Lennox Products
Smart Comfort Technology for Your Home
As a Dave Lennox Premier Dealer, we offer the latest in HVAC innovation. Explore our lineup of advanced thermostats, air purification, and energy-efficient systems.
iComfort S30
The ultra-smart thermostat that learns your schedule and adjusts for maximum comfort and efficiency. Wi-Fi enabled with intuitive touchscreen.
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iComfort Wi-Fi
Control your home's temperature from anywhere with your smartphone. Smart alerts, energy reports, and easy scheduling.
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7500 Series Thermostat
Professional-grade programmable thermostat with precise temperature control and easy-to-read display.
Learn morePurAir Purification System
Whole-home air purification that removes 99.9% of bacteria, mold spores, and viruses. Breathe the cleanest air possible.
Learn moreFinancing Available
Affordable Comfort with Flexible Financing
We believe every family deserves a comfortable home. We offer convenient financing options to help you get the HVAC system you need today, with payments that fit your budget. Apply online in minutes.
Testimonials
What Our Customers Say
"Dalco has been our HVAC company for over 20 years. They installed our new Lennox system and the difference in comfort is incredible. Always professional, always on time."
"Called at 8pm on a Sunday during a Texas heatwave, and they had a technician at my door within the hour. AC was fixed and cooling again by 10pm. These guys are the real deal."
"Signed up for the Comfort Service Plan and it's been worth every penny. They come out twice a year, keep everything running perfectly, and I get priority scheduling. Highly recommend Dalco."
FAQ
Common Questions
Ready for Comfort You Can Count On?
Call Dalco today for expert HVAC service from a name Dallas has trusted for over 60 years. Same-day appointments available.