Serving DeSoto, TX
AC Repair & HVAC in DeSoto, TX
Owner-led HVAC service for DeSoto. Open 7 days, 7 AM–7 PM, with after-hours emergency service.
Schedule Service 469-877-9905DeSoto, TX
Your DeSoto HVAC Contractor
Modern HVAC brings dependable heating, cooling and air quality service to homeowners in DeSoto.
We repair and maintain all major brands, install heat pumps, furnaces and ductless mini-splits, and offer maintenance plans to keep your system running efficiently year-round.
- 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 DeSoto: What to Know
DeSoto is an established southern Dallas County city along I-35E, with many neighborhoods built between the 1970s and early 2000s. For a lot of DeSoto homeowners, that means the HVAC system has been replaced once already, or it is due soon.
The most common calls we see in homes this age are AC systems that can’t keep up in July, rising electric bills, worn blower motors and ductwork that leaks conditioned air into a hot attic. Before recommending new equipment, we check the basics, including airflow, refrigerant charge, duct condition and thermostat setup, because sometimes a repair or duct fix is the better value. When replacement is the right call, we size the new system properly and walk you through efficiency options, including inverter heat pumps.
Maintenance plans help DeSoto homeowners catch problems in spring, before the busiest weeks of summer.
DeSoto HVAC FAQs
Should I repair or replace my DeSoto AC system?
It depends on the age, condition and repair cost. We give honest options and explain when a repair makes sense and when replacement saves money long term.
Do you check ductwork during service calls?
Yes. Leaky or disconnected attic ducts are common in older homes, and fixing them can improve comfort and lower bills.
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.
