HVAC Services
Everything Your System NeedsFrom emergency repairs to full system replacements, HeyMon Mechanical handles it all. Licensed, insured, and backed by 15+ years serving Greater Houston.
Most RequestedAC Repair
Fast diagnosis. Same-day fixes.
When your air conditioner stops working in the Houston heat, every hour counts. Our technicians diagnose fast and carry the most common parts on the truck — so most repairs are done in a single visit.
- All makes and models serviced
- Refrigerant leak detection and recharge
- Compressor and capacitor replacement
- Thermostat and control board diagnosis
- Ductwork inspection and sealing
- Same-day service available
Heating
Stay warm when it matters.
Houston winters may be mild, but a broken heater is still a broken heater. We service gas furnaces, heat pumps, and electric systems — and we get them running before the temperature drops further.
- Gas furnace repair and tune-up
- Heat pump service and repair
- Electric heating system service
- Igniter and heat exchanger replacement
- Carbon monoxide safety inspection
- Emergency heating service available
Installation
Right-sized. Right the first time.
A new HVAC system is a major investment. We do a proper load calculation to size your equipment correctly, handle the full installation, and walk you through everything before we leave.
- Free in-home assessment and quote
- Manual J load calculation for proper sizing
- All major brands: Carrier, Trane, Lennox, Rheem
- Full system installation — indoor and outdoor units
- Thermostat and smart controls setup
- Post-install walkthrough and documentation
Maintenance
Prevent problems before they start.
Regular tune-ups extend equipment life, improve efficiency, and catch small issues before they become expensive emergencies. Our maintenance plans keep your system running at peak performance year-round.
- Seasonal tune-up (spring AC / fall heating)
- Filter replacement and coil cleaning
- Refrigerant level check
- Electrical connections and capacitor test
- Drain line flush and pan inspection
- Priority scheduling for plan members
24/7Emergency Service
Available when you need us most.
HVAC emergencies don't wait for business hours — and neither do we. When your system fails on a weekend, holiday, or in the middle of the night, call us. We'll get someone out as fast as possible.
- Available 7 days a week
- Holiday and after-hours response
- Fast dispatch — average 2-hour response
- No extra charge for weekend calls
- All repairs backed by our labor warranty
- Serving all of Greater Houston
Not Sure What You Need?
Call us and describe what's happening. We'll tell you straight — no upsell, no runaround.