How often should I schedule maintenance for my HVAC system?

For optimal performance and longevity, we recommend scheduling maintenance at least once a year with TrustMark Heating and Cooling. This ensures your system is primed for the changes in Denver's climate.

What should I do if my air conditioner stops working?

If your air conditioner fails, contact our emergency repair service anytime. Our technicians respond quickly to restore your comfort without delay.

How do I know if I need to replace my furnace?

Signs such as rising energy bills, frequent repairs, and uneven heating can indicate it's time for a new furnace. TrustMark Heating and Cooling can help you evaluate your options in Denver.

Are your technicians licensed and insured?

Yes, all our technicians at TrustMark Heating and Cooling are fully licensed and insured, providing you peace of mind in knowing your HVAC needs are in qualified hands.

What are the signs of poor indoor air quality?

Symptoms like excessive dust, respiratory issues, or an unpleasant odor can signal poor indoor air quality. Our team can help detect and address these issues effectively.

HVAC Contractor in Denver, CO

Heating and cooling you can trust, Denver style.

📞 (719) 497-7639 Get Quote →

★ 4.7/5 • ✓ Licensed • ✓ 24/7

Our Team in Action

Our Recent Projects

See the quality of our work through real project results

2 Days

Ductwork Repair & Sealing

Full duct inspection, leak sealing, and insulation improving efficiency by 30%

1 Day

Heat Pump Upgrade

Old system swapped for an energy-efficient heat pump, cutting monthly bills

4 Hours

Emergency AC Repair

Same-day diagnosis and compressor fix to restore cooling during a heat wave

Get Your Free Project Estimate

Our Services

One team for every job on your property, with 24/7 emergency backup.

Installation Services

We expertly install energy-efficient heating and cooling systems to fit your home or business perfectly.

Emergency Repair

Available 24/7, our emergency repair service addresses urgent HVAC issues so you don’t have to wait for comfort.

Regular Maintenance

Our maintenance plans help prevent breakdowns and extend the life of your HVAC system, keeping your space comfortable year-round.

Air Quality Solutions

We provide advanced air purification systems to enhance indoor air quality, tailored to the specific needs of Denver homes.

Furnace Replacement

Replacing your old furnace? We ensure a seamless installation process, delivering warmth with greater efficiency.

A/C Repair

Our technicians are adept at diagnosing and fixing air conditioning issues quickly, restoring comfort in the heat of summer.

Commercial HVAC Services

We handle HVAC needs for local businesses, providing tailored solutions that keep your workspace comfortable for employees and customers.

Thermostat Installation

Upgrade to a smart thermostat for enhanced control over your home’s heating and cooling, maximizing both comfort and efficiency.

Refrigerant Recharge

We offer refrigerant recharge services to ensure your cooling system operates at its best, particularly in Denver’s hot months.

Duct Inspection and Cleaning

Our thorough duct inspections and cleaning services help remove dust and allergens, improving air quality in your home.

Trusted by Our Community

⭐⭐⭐⭐⭐ 4.7

Hundreds of satisfied customers across Denver

⭐⭐⭐⭐⭐

5 months ago

"TrustMark saved our summer when our AC broke down right before a heatwave! The team arrived quickly and got us back to cool in no time."

Emma B.

Verified Customer

⭐⭐⭐⭐⭐

A month ago

"It was really nice to find an HVAC company in Denver that treats you like a neighbor, not just a number. They communicated with me every step of the way while fixing our furnace."

Ryan M.

Verified Customer

⭐⭐⭐⭐⭐

3 months ago

"We had a major issue with our furnace last winter, and I’m grateful for their quick responses. They diagnosed the problem efficiently, and the follow-up was appreciated!"

Oliver K.

Verified Customer

⭐⭐⭐⭐⭐

5 months ago

"I had such a great experience with TrustMark! They fixed the AC unit in my small business located downtown swiftly and even offered me maintenance tips."

Noah N.

Verified Customer

⭐⭐⭐⭐

5 months ago

"Pretty good experience overall. The technician was a bit late, but he worked quickly and cleanly. My air conditioning system is running great now."

Ava C.

Verified Customer

⭐⭐⭐⭐⭐

A month ago

"We had a catastrophic failure in our cooling system while hosting friends at our place. The response was rapid, and they had us comfortable again before dessert!"

Grace B.

Verified Customer

⭐⭐⭐⭐⭐

A month ago

"I had issues with my ductwork in my old apartment and was worried about the cost. These guys were upfront about everything and didn’t break the bank."

Sophia W.

Verified Customer

⭐⭐⭐⭐

A month ago

"Quality service but took a bit longer than expected to finish the repairs. The crew was friendly and neat, and now my ventilation is working perfectly."

Amelia K.

Verified Customer

⭐⭐⭐⭐⭐

A month ago

"When I had issues with my heater just before the holidays, I called TrustMark. They were prompt and polite, and made sure my family stayed warm."

Benjamin G.

Verified Customer

⭐⭐⭐⭐⭐

This week

"Our AC was blowing hot air in the middle of July, which sparked panic. TrustMark got us back in business swiftly, and now it’s better than ever!"

Chloe J.

Verified Customer

⭐⭐⭐⭐⭐

5 months ago

"I never thought I’d enjoy having the HVAC system in my house checked, but the technician made it easy. No pressure, just solid advice and clear fixes."

James A.

Verified Customer

⭐⭐⭐⭐⭐

5 months ago

"What a relief to find TrustMark! Our heater was making a weird noise, and they figured out the problem quickly. They had it fixed the same day!"

Jack L.

Verified Customer

⭐⭐⭐⭐⭐

A month ago

"I called them on a snowy day when my heater was acting up. They got here fast, and despite the weather, the tech was super friendly and efficient."

Lucas B.

Verified Customer

⭐⭐⭐⭐⭐

3 months ago

"During a recent cold snap, the heater in my apartment quit. They arrived within an hour! Everything was sorted out and running like new."

Ella D.

Verified Customer

⭐⭐⭐⭐⭐

2 months ago

"The team tackled a tricky issue with our thermostat that another company couldn’t solve. We live in a historic home near the Park Hill area, and they were versed in older systems."

Mia J.

Verified Customer

See All Reviews on Google →

What Our Customers Say

Hundreds of satisfied customers across Denver.

⭐⭐⭐⭐⭐

"I called them on a snowy day when my heater was acting up. They got here fast, and despite the weather, the tech was super friendly and efficient."

— Lucas B. · A month ago

⭐⭐⭐⭐⭐

"During a recent cold snap, the heater in my apartment quit. They arrived within an hour! Everything was sorted out and running like new."

— Ella D. · 3 months ago

⭐⭐⭐⭐⭐

"The team tackled a tricky issue with our thermostat that another company couldn’t solve. We live in a historic home near the Park Hill area, and they were versed in older systems."

— Mia J. · 2 months ago

How It Works

Simple, straightforward process from call to completion.

Contact Us

Call or book online anytime

Free Assessment

Expert evaluation at no cost

Professional Service

Quality work by experienced team

Satisfaction Guaranteed

Your happiness is our priority

⏰ 24/7 Emergency Service

We're available day and night. Don't wait—call now for immediate help!

Call (719) 497-7639 Now

Why Choose TrustMark Heating and Cooling

See how we compare to the average competitor

Feature	TrustMark	Others
24/7 Emergency Response	✓	Limited Hours
Free Estimates	✓	Often Charges
Insured	✓	Varies
4.7-Star Google Rating	✓	Unknown
Same-Day Service	✓	2-3 Day Wait
Insurance Claims Help	✓	Not Offered
Satisfaction Guarantee	✓	No Guarantee
Transparent Pricing	✓	Hidden Fees

Transparent Pricing

No hidden fees. No surprises. Get a free estimate before any work begins.

Assessment

FREE

No-obligation evaluation

✓ On-site inspection
✓ Written estimate
✓ Expert recommendations
✓ Insurance guidance

Schedule Free Assessment

Standard Service

Call

Customized to your needs

✓ Everything in Assessment
✓ Professional HVAC Contractor
✓ Certified technicians
✓ Satisfaction guarantee
✓ Insurance coordination

Call for Quote: (719) 497-7639

Emergency 24/7

ASAP

Immediate response

✓ Everything in Standard
✓ Priority dispatch
✓ 30-minute response
✓ After-hours service
✓ Weekend/holiday service

Emergency: (719) 497-7639

Why Trust Us

TrustMark Heating and Cooling is your trusted partner for professional service.

⚡

Fast Response

24/7 emergency availability

💰

Transparent Pricing

No hidden fees or surprises

🌟

Premium Service

Quality guaranteed on every job

🏆

Fully Insured

Full insurance coverage

Built on Word-of-Mouth

Insured and equipped with commercial-grade tools. We handle every job with the care and expertise it deserves.

📞 Call Now — Free Estimate

Risk-Free Service

Try our service with confidence. We guarantee you'll be satisfied with our work. If not, we'll make it right at no additional cost.

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Our Service Area

Proudly serving Denver and surrounding communities with fast, reliable service.

Areas We Serve

📍 Denver 📍 Aurora 📍 Lakewood 📍 Arvada 📍 Westminster 📍 Thornton 📍 Golden 📍 Centennial 📍 Littleton 📍 Englewood 📍 Commerce City 📍 Wheat Ridge 📍 Northglenn 📍 Brighton 📍 Broomfield 📍 Sheridan

Don't see your area? We may still serve your location. Call us at (719) 497-7639 to check availability.

Frequently Asked Questions

Get answers to common questions about our HVAC Contractor in Denver.

: For optimal performance and longevity, we recommend scheduling maintenance at least once a year with TrustMark Heating and Cooling. This ensures your system is primed for the changes in Denver's climate.
: If your air conditioner fails, contact our emergency repair service anytime. Our technicians respond quickly to restore your comfort without delay.
: Signs such as rising energy bills, frequent repairs, and uneven heating can indicate it's time for a new furnace. TrustMark Heating and Cooling can help you evaluate your options in Denver.
: Yes, all our technicians at TrustMark Heating and Cooling are fully licensed and insured, providing you peace of mind in knowing your HVAC needs are in qualified hands.
: Symptoms like excessive dust, respiratory issues, or an unpleasant odor can signal poor indoor air quality. Our team can help detect and address these issues effectively.

Need Help Right Now?

We answer 24/7. Call now and a real person will pick up.

Call (719) 497-7639 View on Google Maps

Free Resources & Guides

Helpful guides and checklists from our team of experts.

📋

HVAC Contractor Maintenance Checklist

Essential HVAC Contractor tips for Denver residents.

Learn More → (719) 497-7639

🔍

How to Choose the Right HVAC Contractor Provider

What to look for when hiring a professional.

Learn More → (719) 497-7639

🚨

Emergency Preparation Guide

Be ready for emergencies with this preparation checklist.

Learn More → (719) 497-7639

Emergency Service Available 24/7

Need HVAC Contractor Now?

Call TrustMark Heating and Cooling for immediate assistance in Denver.

📞 (719) 497-7639

Call (719) 497-7639 Learn More

✓ Available 24/7 ✓ Fully Insured ✓ Same-Day Service