Business Details
Emergency
services
Your Trusted HVAC Partner in Denver, CO
Sentry Heating & Cooling has been dedicated to setting the industry standard for quality HVAC services in the Denver Metro area since our founding. Our team of highly experienced technicians specializes in furnace, boiler, and AC installation, repair, and maintenance for residential and commercial properties. We pride ourselves on offering ENERGY STAR-rated systems that help clients save up to 30% on energy costs while maintaining complete transparency with no hidden charges.Our commitment to quality without compromise is reflected in our 24/7 emergency service availability and our guarantee that no job is complete until customers are fully satisfied. We maintain long-term relationships with clients by sourcing products directly from manufacturers to pass savings to our customers while ensuring every service call prioritizes promptness, affordability, and technical expertise.
Services
Furnace Installation
Boiler Installation
AC Repair
Heat Pump Services
Thermostat Installation
Hot Water Heaters
Evaporative Cooler Repair
System Cleaning
Emergency Maintenance
Radiant Heating
Highlights and features
- We offer 24/7 emergency HVAC services for urgent heating and cooling needs
- Our technicians have years of experience with all major HVAC brands
- We install ENERGY STAR-rated systems that reduce energy costs by up to 30%
- We guarantee transparent pricing with absolutely no hidden charges
- We serve clients within a 50-mile radius of Littleton, CO
What people say
Fair, honest and reliable
Excellent job
Saved about $2000
Resolved in minutes
No additional charge
Services
Furnace Installation
We specialize in furnace installation with expert technicians trained on all major brands. Our installations include comprehensive system evaluation and personalized recommendations for optimal heating efficiency. Customers receive transparent pricing with no hidden fees for both residential and commercial applications.
AC Repair
Our AC repair services address all types of cooling systems including central, split, and wall units. Technicians perform thorough diagnostics to identify issues and provide cost-effective solutions. We offer same-day emergency repairs for urgent cooling needs during hot weather.
Boiler Services
We provide complete boiler services including installation, repair, and certification for residential and commercial properties. Our technicians specialize in maintaining system efficiency while ensuring safety compliance. Annual maintenance plans help extend equipment lifespan and prevent unexpected failures.
System Cleaning
Professional HVAC cleaning services improve indoor air quality and system efficiency. We clean all components including coils, filters, and ductwork using industry-approved methods. Annual cleaning is recommended to maintain optimal performance and prevent costly repairs.
Emergency Maintenance
Our 24/7 emergency HVAC service responds to urgent heating and cooling failures. Certified technicians carry essential replacement parts for quick field repairs. We prioritize emergency calls during extreme weather conditions to restore comfort as quickly as possible.
People
Tim
Owner & Lead Technician
Veteran-owned business operator with 15+ years HVAC experience. Specializes in complex system diagnostics and energy-efficient installations. Committed to honest service and community-focused business practices.
Questions
What HVAC services do you offer?
We provide full-service HVAC solutions including furnace, boiler, and AC installation, repair, and maintenance. Our services cover residential and commercial properties with 24/7 emergency support.
Do you offer emergency HVAC repair?
Yes, we provide 24/7 emergency HVAC services for urgent heating and cooling failures. Our technicians respond promptly to restore comfort during critical situations.
What areas do you service?
We serve Denver Metro and surrounding areas within a 50-mile radius of Littleton, CO, including residential neighborhoods and commercial districts.
Are your technicians certified?
All our technicians are certified professionals with extensive experience in HVAC systems. We ensure ongoing training to maintain technical expertise with the latest equipment.
Do you offer energy-efficient solutions?
Yes, we install ENERGY STAR-rated heating and cooling systems that can reduce energy costs by up to 30% while maintaining optimal comfort levels.
What payment options are available?
We accept major credit cards and cash payments. Payment plans may be available for larger projects - please contact our office for specific financing options.
