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21 Years
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Emergency
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Trusted HVAC Installation & Repair Services in Littleton, CO
Duffey's Heating & Air Conditioning has been serving the Littleton, CO area for over 25 years with reliable HVAC solutions. Established in 2005, our family-owned business combines industry expertise with personalized service to meet residential and commercial climate control needs. Our licensed technicians provide installation, repair, and maintenance services for heating and cooling systems, prioritizing customer satisfaction through transparent pricing and 24/7 emergency availability. We specialize in Amana and Goodman equipment installations while maintaining all brands with manufacturer-recommended parts. Our commitment to quality extends to comprehensive maintenance programs that extend equipment lifespan and improve energy efficiency.

With a focus on community relationships, we offer free estimates and financing options to accommodate diverse customer needs. Our team's technical proficiency and dedication to timely service have earned us recognition as a trusted local HVAC provider. We maintain rigorous quality standards through continuous training and adherence to industry best practices. Customer comfort remains our priority, supported by after-hours appointments and prompt response times. Our operational history reflects consistent growth driven by client referrals and positive service experiences.
Services
Air Conditioning Repair Heating System Installation HVAC Maintenance Emergency HVAC Service Indoor Air Quality Solutions Furnace Repair AC Installation System Diagnostics Thermostat Installation Ductwork Services
Details
  • Year established: 2005
Highlights and features
  • 25+ years of HVAC industry experience
  • Family-owned business since 2005
  • 24/7 emergency service availability
  • Free estimates on all major projects
  • Certified technicians with specialized training
What people say
Fast response time Knowledgeable technicians Cost-effective repairs Reliable service Professional staff
Services
Air Conditioning Repair
Our certified technicians provide prompt air conditioning repairs for residential and commercial properties. Using specialized diagnostic tools and manufacturer-approved parts, we resolve cooling system malfunctions efficiently. Emergency service available 24/7 with upfront cost approval.
Heating System Installation
Professional installation of energy-efficient heating systems tailored to property requirements. We work with leading brands like Amana and Goodman to ensure optimal comfort. Includes system sizing analysis and warranty registration.
HVAC Maintenance
Preventive maintenance programs extend equipment lifespan and improve efficiency. Services include filter replacement, component inspection, and performance optimization. Regular maintenance reduces unexpected breakdowns.
Indoor Air Quality Solutions
Comprehensive indoor air quality improvements including whole-home filtration systems, humidifiers, and programmable thermostats. Solutions address allergens, humidity control, and ventilation needs for healthier living environments.
Emergency HVAC Service
Urgent heating and cooling repairs available outside regular business hours. Our rapid response team addresses critical system failures with transparent pricing and immediate service execution.
People
Shawn Duffey
Owner
Shawn Duffey founded the company in 2005 after 6 years of industry experience. A Colorado native, he specializes in HVAC system diagnostics and installation. Shawn prioritizes customer relationships and technical excellence, overseeing daily operations while maintaining hands-on involvement in complex projects.
Questions
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency HVAC repair services with no additional after-hours charges.
What areas do you service?
We serve Littleton, Highlands Ranch, Lakewood, Centennial, and surrounding Colorado communities.
Are financing options available?
Yes, we offer flexible financing options for major HVAC installations and replacement projects.
Do you honor equipment warranties?
We service all brands and honor most manufacturer warranties through proper maintenance procedures.
What maintenance plans are available?
We offer seasonal maintenance plans that include comprehensive system inspections and priority service scheduling.
Can I get a free estimate?
Yes, we provide free written estimates for all new installations and major repair projects.