Serving Cedar Hill, TX
AC Repair & HVAC in Cedar Hill, TX
Owner-led HVAC service for Cedar Hill. Open 7 days, 7 AM–7 PM, with after-hours emergency service.
Schedule Service 469-877-9905Cedar Hill, TX
Your Cedar Hill HVAC Contractor
Modern HVAC serves Cedar Hill homes and businesses with honest, owner-led heating and cooling service.
Whether your AC quits on a July afternoon or you’re planning a high-efficiency upgrade, we explain your options clearly and never push equipment you don’t need.
- After-hours emergency service
- We service all brands
- Free estimates on new systems
- Licensed TACLB108801E
Our Services
Heating & Cooling Services
Installation, repair and maintenance for residential and commercial HVAC systems — handled by licensed technicians who service all brands.
Heating
Furnace and heat pump service that keeps your home warm and your system running safely all winter.
- Furnace Installation & Replacement
- Furnace Repair & Diagnostics
- Heat Pump Installation & Repair
- Seasonal Heating Tune-Ups
Air Conditioning
Central AC and ductless mini-split installation, repair and tune-ups for dependable cooling through Texas summers.
- Central AC Installation & Replacement
- AC Repair & Emergency Service
- Ductless Mini-Split Systems
- Seasonal AC Tune-Ups
- Refrigerant Checks & System Optimization
Ventilation & Air Quality
Ductwork, air purifiers, humidity control and system balancing for cleaner, more comfortable indoor air.
- Ductwork Installation & Repair
- Whole-Home Air Purifiers
- Humidifiers & Dehumidifiers
- Ventilation System Design & Balancing
Maintenance & Efficiency
Preventive maintenance, inspections and efficiency evaluations that help your equipment last longer and run better.
- Preventative Maintenance Plans
- Smart Thermostat Installation
- Energy Efficiency Evaluations
- System Inspections & Safety Checks
Commercial HVAC
Rooftop unit service, large-scale system design and maintenance contracts for businesses of every size.
- Rooftop Unit (RTU) Installation & Service
- Large-Scale System Design
- Commercial Maintenance Contracts
New Construction
Complete HVAC design and installation for new homes and builds, coordinated with builders from load calculation to startup.
- Complete HVAC System Design for New Homes and Commercial Builds
- Load Calculations and Energy-Efficient System Sizing
- Duct Layout and Installation During Framing
- Coordination With Builders and Contractors
- Final System Testing
- Balancing and Startup
Featured Equipment
Inverter Side Discharge Heat Pumps
Inverter side discharge heat pumps don’t need auxiliary heat until temperatures drop below 10°F — efficient, comfortable heating through North Texas winters and quiet, high-efficiency cooling all summer.
Get a Free Estimate Call 469-877-9905We Service All Brands
Every Make. Every Model.
Ask us about Daikin inverter heat pumps and systems.
- Lennox
- Trane
- Carrier
- Goodman
- Rheem
- Amana
- Ruud
- American Standard
Our technicians work across all major brands and system types.
Real Google Reviews
What Our Customers Say
“I cannot say enough wonderful things about Franklin Phillips with Modern HVAC. He has maintained my HVAC system for 15 years and consistently goes above and beyond. Franklin is always punctual, dependable, thorough, and professional. He takes pride in his work, cleans up after every service call, and makes appropriate recommendations without ever trying to sell you something you don't need. His honesty and integrity are truly refreshing.”
“Modern HVAC and its owner, Franklin Phillips, provide the finest HVAC service I have ever experienced. They respond quickly and explain everything they plan to do and why. We have had two HVAC emergencies (once having our home struck by lighting) and Modern HVAC acted expeditiously to get our system up and running in the shortest amount of time. I wouldn't dream of using anyone else!”
“Hands down the best customer service in DFW. Modern HVAC handles all of our new custom builds, and they do it right every time, from routine maintenance and upkeep to new construction and remodels. The owner is one of the most knowledgeable guys in the business, and it shows in every job. If you want an efficient, healthy home, they're definitely worth the call. Highly recommend!”
HVAC Service in Cedar Hill: What to Know
Cedar Hill sits along one of the highest points in the Dallas area, with hilly terrain, wooded lots and Cedar Hill State Park on the shores of Joe Pool Lake. The landscape that makes the city attractive also affects HVAC: homes on slopes may have outdoor units on raised or uneven pads, and heavy tree cover means leaves and debris can clog condenser coils.
Much of Cedar Hill’s housing was built from the 1970s through the 2000s, so many homes now have original or second-generation systems that are wearing out. Common problems include failing capacitors and motors, refrigerant leaks and ductwork that has separated in the attic. We diagnose the real cause, give you clear repair and replacement options, and recommend high-efficiency equipment when replacing makes sense.
Regular coil cleaning and seasonal tune-ups go a long way here, especially for units under trees.
Cedar Hill HVAC FAQs
Why does my Cedar Hill AC need its coil cleaned so often?
Homes with mature trees collect leaves, pollen and cottonwood on the outdoor coil, which reduces airflow and efficiency. Annual cleaning helps.
Do you replace older HVAC systems in Cedar Hill?
Yes. We install new furnaces, heat pumps and air conditioners sized with a load calculation, and we service all brands.
Do you offer after-hours emergency service?
Yes. Our regular hours are 7 AM to 7 PM, seven days a week, and after-hours emergency service is available. After-hours and emergency calls carry an additional service fee, which we explain up front.
Get Started Today!
Your comfort is just a call away — open 7 days a week, 7 AM to 7 PM, with after-hours emergency service available.
After-hours and emergency calls carry an additional service fee.