Business Details
45 Years
experience
Emergency
services
Your Trusted HVAC Partner in Scottsdale, AZ
Since 1981, LJ Refrigeration has been the trusted name in heating and air conditioning, proudly serving Scottsdale and Arizona's northeast valley. As a third-generation, family-owned and operated business, we are deeply committed to delivering top-tier HVAC solutions while building lasting relationships with our customers through expert craftsmanship, prompt service, and unwavering integrity. Our dedication to sustainability is evident in our transition to a paperless company and exclusive installation of Energy Star-rated equipment to promote energy efficiency. Honored as an A+ rated service company with the Better Business Bureau for over 40 years, we serve Scottsdale, Cave Creek, Carefree, Rio Verde, Fountain Hills, North Phoenix, and Paradise Valley.Our legacy of excellence began in Minnesota with founders Lyle and Karyl Engbarth, whose son Jeff expanded the business in Arizona. Today, owners Paul and Jennifer Coen continue this tradition, supported by a team of dedicated professionals who ensure every job meets our high standards. We prioritize customer satisfaction through same-day service, transparent pricing, and financing options to accommodate every budget.
Services
AC Installation
AC Repair
Furnace Replacement
Heat Pump Maintenance
Ductless AC Service
Emergency HVAC Repair
Energy Efficiency Upgrades
System Replacement
Preventative Maintenance
Financing Options
Details
- Year established: 1981
Highlights and features
- Family-owned since 1981 with expert craftsmanship and local knowledge.
- A+ rated by BBB for over 40 years of service excellence.
- Installs Energy Star-rated equipment for maximum energy efficiency.
- Offers same-day HVAC service with no upselling or hidden fees.
- Provides flexible financing options through Synchrony and Wells Fargo.
What people say
Great work
Honest
Professional
Quick
Fair pricing
Services
AC Installation
Our AC installation service ensures efficient cooling for Arizona's climate. We specialize in Day & Night systems that provide reliable performance and energy savings. Expert technicians handle proper sizing and installation to maximize comfort and system longevity.
Furnace Repair
Emergency furnace repair services restore warmth during Arizona's cold winters. Our certified technicians diagnose and fix issues with all major brands, ensuring safe and efficient operation. Same-day service available for urgent heating failures.
Heat Pump Maintenance
Regular heat pump maintenance optimizes energy efficiency and extends equipment lifespan. Our technicians perform comprehensive inspections, cleaning, and adjustments to ensure year-round comfort. Preventative care reduces breakdown risks during peak seasons.
Ductless AC Service
Ductless AC services address cooling needs in homes without traditional ductwork. We install and repair energy-efficient mini-split systems that provide targeted temperature control for specific rooms or additions.
Emergency HVAC Repair
Emergency HVAC repair addresses urgent heating and cooling failures outside regular business hours. Our team responds promptly to critical system malfunctions, ensuring comfort and safety in extreme weather conditions.
People
Paul Coen
Owner
Third-generation HVAC professional with nearly 30 years of experience. Active in field operations, ensuring quality standards. Passionate about customer satisfaction and maintaining family business values through hands-on leadership.
Jennifer Coen
Owner
Business operations expert managing office logistics for 30 years. Known as 'Paperwork Princess' for meticulous scheduling and customer coordination. Balances administrative excellence with field support for equipment deliveries.
Lauren
Office Manager
Handles customer scheduling and dispatching with efficiency. Manages warranties, equipment registration, and financing department operations. Maintains organizational excellence while balancing family responsibilities.
Jason
Service Manager
10-year team veteran leading service technicians with expertise. Ensures high-quality field service delivery while mentoring new technicians. Combines technical knowledge with project management skills for operational efficiency.
Jace
HVAC Technician
Newest team member demonstrating rapid skill development. Shows strong work ethic and customer service orientation. Continuously improving technical capabilities while maintaining personable client interactions.
Questions
What HVAC services do you offer in Scottsdale?
We provide AC and furnace installation, repair, and maintenance, including emergency services and energy-efficient upgrades.
Do you offer financing options for HVAC systems?
Yes, we partner with Synchrony and Wells Fargo to offer 0% APR financing for qualified customers on equipment purchases.
Are you available for emergency HVAC repairs?
Yes, we provide 24/7 emergency service for urgent heating and cooling system failures in our service areas.
What areas do you service?
We serve Scottsdale, Carefree, Cave Creek, Fountain Hills, North Phoenix, Paradise Valley, Phoenix, and Rio Verde.
How long have you been in business?
We've been serving Arizona since 1981, maintaining an A+ BBB rating for over 40 years as a family-owned company.
What makes your company different?
Third-generation family ownership, Energy Star-certified installations, paperless operations, and transparent pricing set us apart in HVAC service excellence.
Reviews (2)
Scott Finney
Feb 27, 2018
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Absolutely the best HVAC company around. Paul and his team really stand out with on time, reliable, and honest approach. I will only refer Paul and his team from now on!
Terra Petsinger Posthumus
Sep 30, 2016
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Great customer service! You won't find better anywhere else. Paul always gives an honest assessment. They are prompt and responsive, we love 'em!
