Reliable HVAC service for homes and small businesses.
Special offers
Limited time — claim before they're gone
Fall Furnace Inspection
$79
Prepare your heating system for winter with a professional safety and performance inspection.
What's included
- Safety controls check
- Thermostat verification
- Airflow inspection
Ends 8/28/2026
Get this offer →Summer AC Tune-Up Special
$99
Get your air conditioning system inspected and tuned up before peak cooling season.
What's included
- System inspection
- Filter check
- Thermostat test
- Performance check
Ends 8/24/2026
Get this offer →
About
Demo HVAC Co provides residential and light commercial HVAC services, including repairs, installations, seasonal maintenance, and emergency service. Our team is committed to honest recommendations, clear communication, and quality workmanship. Whether you need a quick repair or ongoing maintenance, we're here to keep your equipment running efficiently and your property comfortable year-round.
Services
What we can help with
After-hours / emergency surcharge
Premium added to the normal call for visits outside business hours, weekends, or holidays. Often 1.5×–2× the day rate.
Request this →C-wire run (for smart thermostat)
Pull a new common-wire from the air handler to the thermostat location when the existing run doesn't have one.
Request this →Combustion analysis
Measure CO, O₂, and combustion efficiency on a gas appliance. Required by code in some jurisdictions after furnace work.
Request this →Diagnostic visit
Service call to identify the issue. Includes initial troubleshooting and a written diagnosis.
Request this →Drain line cleaning
Clear and flush the condensate drain line on a cooling system. Includes a vacuum-out at the exit and treatment tablets.
Request this →Filter replacement
Replace the return-air filter. Price typically includes a standard 1-inch pleated filter; upgrade sizes/MERV billed separately.
Request this →Maintenance plan visit
Per-visit charge applied when a customer is on a maintenance / service agreement. Often discounted vs the walk-in tune-up.
Request this →Refrigerant leak detection
Find a refrigerant leak using UV dye, electronic sniffer, or nitrogen pressure test. Detection only — repair billed separately.
Request this →
Maintenance plans
Stay ahead of breakdowns with recurring service
Quarterly commercial PM
$1200 / year
4 visits per year · Quarterly
Quarterly preventive maintenance service for commercial HVAC equipment. Includes inspection, cleaning, performance testing, filter checks, electrical and mechanical component review, safety verification, and operational recommendations to help maximize reliability, efficiency, and equipment lifespan.
Sign up for this plan →What's included
- Inspect equipment condition
- Verify equipment operation
- Record supply/return temperatures
- Check thermostat settings
- Check for unusual noise or vibration
Semi-Annual Comprehensive PM
$1800 / year
2 visits per year · Semi-annual
Comprehensive preventive maintenance service for commercial HVAC equipment with extended system diagnostics, deep cleaning, performance optimization, and detailed condition reporting. Designed for facilities seeking proactive maintenance and improved equipment reliability.
Sign up for this plan →What's included
- Inspect equipment condition
- Verify equipment operation
- Inspect electrical connections
- Inspect and clean condenser coils
- Inspect condensate drains
Hours
When we're open
- Monday8:00 AM – 5:00 PM
- Tuesday8:00 AM – 5:00 PM
- Wednesday8:00 AM – 5:00 PM
- Thursday8:00 AM – 5:00 PM
- Friday8:00 AM – 5:00 PM
- SaturdayClosed
- SundayClosed
After hours
Off-hours pricing: 1.5× labor + $100 callout fee.
Where to find us
Main shop
2455 N Central Expy
Richardson, Texas 75080
Gallery
Routine service helps prevent breakdowns and extend equipment life.
Thorough inspection and testing to keep HVAC systems operating safely.
Reliable rooftop HVAC units delivering year-round comfort and efficiency.
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