HVAC in Longmont, CO
Comfort That Warms Your Home and Heart in Longmont, CO
Trusted by homeowners and businesses
Fast, reliable service for all emergency needs
Hundreds of satisfied customers
Insured • Certified • 24/7 Emergency Response
Performance Metrics
Industry-leading numbers that demonstrate our excellence.
Years in Business
Customers Served
Google Rating
Response Time
Trusted by Our Community
Hundreds of satisfied customers across Longmont
"Had a fantastic experience with the team at ThermalPros! They diagnosed a tricky refrigerant leak in our heat pump and had it fixed ASAP. Great communication throughout!"
Ella W.
Verified Customer
"Had a fantastic experience with ThermalPros. They fixed our broken heater during our anniversary weekend, and I can’t express how grateful we were to spend it comfortably!"
Oscar R.
Verified Customer
"We recently had ThermalPros do a complete HVAC install in our home in Longmont. The team was knowledgeable and worked around my kids' nap schedule — so impressed with their flexibility!"
Kristen S.
Verified Customer
"The technicians were pleasant and efficient, but I wish their scheduling had been a little more precise. Still, they tackled the issue with my furnace and got it running."
Bella C.
Verified Customer
"My mom’s air conditioning broke during the heat wave last month. I reached out to ThermalPros and they not only came out quickly, but they also explained what was wrong in easy-to-understand terms. Ex..."
Maya C.
Verified Customer
"When my heater failed during a snowstorm, I was so worried. ThermalPros sent a technician right away. Fantastic service when I needed it most!"
Mona N.
Verified Customer
Our Services
Complete service lineup with around-the-clock emergency coverage.
Residential HVAC Installation
We install high-efficiency heating and cooling systems for homes, ensuring optimal comfort for your family throughout the year.
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Emergency Repair Services
Facing an HVAC breakdown? Our team is on call to handle emergencies swiftly, restoring your comfort in no time.
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Routine Maintenance Plans
Regular maintenance keeps your HVAC systems running efficiently, lowering energy bills and extending the life of your units.
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Commercial HVAC Solutions
We offer specialized services for businesses, ensuring your customers and employees enjoy a comfortable environment year-round.
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Duct Cleaning Services
Clean ducts improve air quality and system efficiency. Our thorough cleaning process ensures your home breathes easier.
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Thermostat Installation
Upgrade to smart thermostats for better control over your home's temperature, enhancing comfort while saving energy.
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AC System Replacement
When it’s time to replace, we guide you through modern options that suit your needs and budget, ensuring a seamless transition.
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Furnace Repair
Our technicians quickly diagnose and repair furnace issues, ensuring that you stay warm during Longmont's colder months.
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Indoor Air Quality Testing
We help you understand your indoor air quality and recommend solutions to create a healthier living environment.
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HVAC System Consultation
Unsure about your HVAC needs? Our consultations help you understand your options, tailored specifically to your home’s requirements.
Read MoreWhat Our Customers Say
Hundreds of satisfied customers across Longmont.
"Had to call ThermalPros when our upstairs unit was blowing hot air. Their tech, Jason, was super friendly and found the issue in minutes. Thanks for getting our comfort back!"
— Lisa R. · 4 months ago
"I was struggling to breathe with all the dust from our outdated furnace. Called ThermalPros, and they replaced it and cleaned the ducts. Now the air feels so fresh!"
— Gemma K. · 5 months ago
"ThermalPros helped us out when our AC went out just before a weekend barbecue. They fixed it the next day, but it took a bit longer than expected which is why I’m at four stars."
— Tom S. · 2 months ago
Getting Started
Follow our proven process for superior results.
Schedule Service
Call or book online anytime
Professional Inspection
Thorough diagnosis of the issue
Expert Repair
Quality work by certified technicians
Final Walkthrough
Ensure complete satisfaction
See The Difference
Real differences that matter to customers
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✓
Same-Day Service
ThermalPros: ✓ — Others: 2-3 Day Wait
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✓
Insurance Claims Help
ThermalPros: ✓ — Others: Not Offered
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✓
Satisfaction Guarantee
ThermalPros: ✓ — Others: No Guarantee
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✓
Transparent Pricing
ThermalPros: ✓ — Others: Hidden Fees
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✓
Live Customer Support
ThermalPros: ✓ — Others: Automated Systems
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Certified Technicians
ThermalPros: ✓ — Others: Varying Expertise
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Written Work Warranty
ThermalPros: ✓ — Others: Verbal Only
Our Team in Action
⏰ 24/7 Emergency Service
We're available day and night. Don't wait—call now for immediate help!
Transparent Pricing
No hidden fees. No surprises. Get a free estimate before any work begins.
Assessment
No-obligation evaluation
- ✓ On-site inspection
- ✓ Written estimate
- ✓ Expert recommendations
- ✓ Insurance guidance
Standard Service
Customized to your needs
- ✓ Everything in Assessment
- ✓ Professional HVAC
- ✓ Certified technicians
- ✓ Satisfaction guarantee
- ✓ Insurance coordination
Emergency 24/7
Immediate response
- ✓ Everything in Standard
- ✓ Priority dispatch
- ✓ 30-minute response
- ✓ After-hours service
- ✓ Weekend/holiday service
Our Recent Projects
See the quality of our work through real project results
Central AC Installation
Complete 3-ton central air conditioning system installed for whole-home cooling
Furnace Replacement
High-efficiency gas furnace upgrade replacing a 20-year-old unit
Ductwork Repair & Sealing
Full duct inspection, leak sealing, and insulation improving efficiency by 30%
Certified Excellence
Our commitment to quality is backed by real credentials.
Certified Professional
Industry certifications and training
Satisfaction Guarantee
We stand behind our work
Expert Team
Experienced and trained technicians
Background Checked
All staff thoroughly vetted
Worry-Free Service
We're confident you'll love our work. If you're not completely satisfied, let us know and we'll make it right.
Call (719) 220-9646 →Our Service Area
Proudly serving Longmont and surrounding communities with fast, reliable service.
Areas We Serve
Don't see your area? We may still serve your location. Call us at (719) 220-9646 to check availability.
Frequently Asked Questions
Get answers to common questions about our HVAC in Longmont.
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ThermalPros proudly serves all areas within Longmont, ensuring we’re always just a call away for your heating and cooling needs.
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Signs of inefficiency, such as higher energy bills and frequent repairs, often indicate it might be time for an upgrade. We can help assess your system.
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Yes, we provide flexible financing solutions for new installations, helping spread the cost while ensuring your home stays comfortable.
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Contact us immediately; our emergency repair service is available to quickly address furnace failures even in the coldest weather.
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Absolutely. All our technicians are fully licensed and insured, providing peace of mind with every service we perform in Longmont.
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It's advisable to schedule maintenance at least once a year to keep your HVAC system in prime condition and avoid unexpected breakdowns.
Free Resources & Guides
Helpful guides and checklists from our team of experts.
Home Maintenance Calendar
Monthly and seasonal maintenance tasks to protect your home.
Hiring a Contractor Checklist
Questions to ask before hiring any home service professional.
Energy Savings Guide
How to reduce your utility bills by up to 30% with simple upgrades.
Quality You Can Actually See
Insured and equipped with the training and gear to handle whatever the work requires.
📞 Call Now — Free EstimateEmergency Service Available 24/7
Need HVAC Now?
Call ThermalPros Heating and Air Conditioning for immediate assistance in Longmont.
📞 (719) 220-9646