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Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Latrobe, PA
Established in 1959, Mullen Refrigeration has built enduring relationships with customers by exceeding expectations through exceptional professional performance. Our mission centers on delivering best-in-class products, value, and service while fostering a culture of continuous improvement, efficiency, and community engagement. As a Carrier Factory Authorized Dealer, we combine world-class equipment with factory-trained technicians to ensure reliable heating, cooling, and indoor air quality solutions.

Our team holds North American Technician Excellence (NATE) certifications, demonstrating technical proficiency and commitment to industry standards. With over six decades of service in Westmoreland County, we prioritize customer satisfaction through personalized solutions, comprehensive training programs, and community-focused initiatives. Our values emphasize honesty, integrity, and empowering employees to deliver superior service while eliminating waste and promoting sustainability.
Services
Air Conditioning Furnaces Heat Pumps Water Heaters Air Duct Cleaning Indoor Air Quality Zoning Systems Boiler Systems Emergency HVAC Service ENERGYSTAR Installations
Details
  • Year established: 1959
Highlights and features
  • 60+ years of local HVAC expertise since 1959
  • NATE-certified technicians ensure technical excellence
  • Carrier Factory Authorized Dealer status guarantees quality equipment
  • 24/7 emergency service for urgent heating/cooling needs
  • 100% financing options with ENERGYSTAR rebates available
Associations and certifications
  • Carrier Factory Authorized Dealer
  • North American Technician Excellence (NATE)
What people say
Prompt, friendly, persistent Outstanding installers Very trustworthy Top notch business Super quick installation
Services
Air Conditioning
Mullen Refrigeration offers Carrier-certified air conditioning solutions for residential and commercial properties. Our systems include central air units with SEER ratings up to 21.0 for maximum energy efficiency. We provide installation, maintenance, and repair services for both ducted and ductless systems, ensuring optimal comfort in Westmoreland County's variable climate. Our technicians are trained to handle complex installations and emergency repairs.
Furnaces
We install and service high-efficiency Carrier furnaces with AFUE ratings up to 97.4%. Our offerings include gas, oil, and electric models with advanced features like variable-speed blowers and Greenspeed intelligence for precise temperature control. Our technicians handle all makes and models while specializing in Carrier systems, ensuring proper installation and long-term reliability for homes and businesses in cold Pennsylvania winters.
Heat Pumps
Our Carrier heat pump solutions provide both heating and cooling efficiency. We offer hybrid systems combining heat pumps with furnaces for optimal performance in extreme climates. Our installations include advanced models with up to 97.4% efficiency and smart controls for energy savings. Technicians assess each property's needs to recommend the most cost-effective heating and cooling solution.
Air Duct Cleaning
Professional air duct cleaning services remove contaminants like mold, dust, and allergens from HVAC systems. Our process improves indoor air quality, enhances system efficiency, and reduces energy costs. We use specialized equipment to clean all components of the ductwork system, addressing common issues like restricted airflow and musty odors while following industry safety standards.
Emergency HVAC Service
Available 24 hours a day, 7 days a week, our emergency service handles urgent heating and cooling failures. Factory-trained technicians respond promptly to critical system breakdowns, with access to replacement parts for all major brands. This service ensures minimal downtime for residential and commercial clients during extreme weather conditions throughout Westmoreland County.
People
Roxann Mullen Donahue
President
Third-generation leader with extensive HVAC industry experience, focusing on technical excellence and community engagement. Oversees operations while maintaining family commitment to quality service since 1959.
Carl Smith
NATE Spokesperson
Industry expert promoting technician certification standards. Provides external validation of Mullen's technical proficiency through North American Technician Excellence programs.
Questions
What HVAC services does Mullen Refrigeration offer?
We provide complete heating, cooling, and indoor air quality solutions including furnaces, air conditioners, heat pumps, water heaters, duct cleaning, and emergency services for residential and commercial clients.
Are financing options available for HVAC installations?
Yes, we offer 100% financing with special low rates for ENERGYSTAR systems, including monthly payment plans to accommodate different budgets.
Do you provide emergency HVAC service?
Yes, our 24/7 emergency service responds to urgent heating and cooling needs with factory-trained technicians available at all times.
What areas do you serve?
We serve Latrobe, Greensburg, and all Westmoreland County communities including Delmont, Derry, Ligonier, Murrysville, New Stanton, and Youngwood.
What certifications does Mullen hold?
We are a Carrier Factory Authorized Dealer with NATE-certified technicians, ensuring both equipment quality and technical expertise for all installations.
How can I schedule service?
Call us at 724-537-7203 or use our online service request form for emergency repairs, installations, or maintenance appointments.