Reliable HVAC Services You Can Trust
Year-Round Comfort for Your Home & Business
Stay comfortable in every season with expert heating, cooling, and HVAC maintenance services. Our certified technicians deliver fast, dependable solutions built for performance and efficiency.
Certified & Experienced Team
Professional Installation, Repair & Maintenance
From AC units and furnaces to heat pumps and commercial HVAC systems, we provide top-quality workmanship backed by honest pricing and long-lasting results.
24/7 Emergency HVAC Support
Quick Response When Your Comfort Can’t Wait
Unexpected breakdown? Our team is ready with rapid, reliable emergency repair services to restore comfort and ensure your home or business stays safe and efficient.
About us
Where comfort meets reliability every day
Diamond Heating & Cooling was founded out of a desire to change an industry that had become increasingly overpriced and impersonal. We saw a need for honest, reliable HVAC services that put customers first. As a locally owned and operated company, we are committed to restoring the traditional values of trust, integrity, and genuine care. We treat every customer with the highest level of respect and appreciation, and we take pride in delivering quality workmanship at fair, transparent prices. Our goal is simple: to provide dependable heating and cooling solutions while building long-lasting relationships within our community.
- Light Commercial HVAC Solutions
- Emergency HVAC Repair
- Total Comfort Installation
- RapidRepair Services
- PureAir Quality Testing
- CoolBreeze Cleaning
- FrostGuard Inspection
- EcoCool Upgrades
Prompt diagnosis and repair of any issues with your air conditioning unit your ensure optimal performance Inspection of ductwork for leaks.
Call Us Anytime for HVAC Services
425-758-3274
our best servicses
Heating & Cooling Solutions Designed
For Total Comfort
02
AC Unit Installation & Service
Professional installs and fixes for
better cooling performance.
Expert Team
Meet Our Team of Expert
Kathryn Murphy
Managing Partner
(+108) 213-1254 
Marvin McKinney
President Of Sales
(+108) 213-1254 
Darlene Robertson
Project Manager
(+108) 213-1254 
Darlene Robertson
Project Manager
(+108) 213-1254
Cameron William
Managing Partner
(+108) 213-1254
Why Choose Us
Relax - we’ve got your indoor comfort covered
24/7 Emergency Support
Fast and reliable HVAC repair whenever your system breaks down - day or night.
Honest & Affordable Pricing
Transparent pricing with no hidden fees - quality service that fits your budget.
Certified HVAC Technicians
Our trained and licensed professionals ensure precise installation, repair, and maintenance.
High-Quality Workmanship
We use advanced tools and trusted brands to deliver long-lasting heating and cooling performance.
$150
Monthly
Basic Plan
Refrigerant leak detection & repair- Thermostat replacement
- Clean condenser coil
- Air filter replacement
- Clean condenser coil
- AC fan replacement
$200
Monthly
Standard Plan
- Refrigerant leak detection & repair
- Thermostat replacement
- Clean condenser coil
- Air filter replacement
- Clean condenser coil
- AC fan replacement
$250
Monthly
Premium Plan
- Refrigerant leak detection & repair
- Thermostat replacement
- Clean condenser coil
- Air filter replacement
- Clean condenser coil
- AC fan replacement
$350
Monthly
Basic Plan
- Refrigerant leak detection & repair
- Thermostat replacement
- Clean condenser coil
- Air filter replacement
- Clean condenser coil
- AC fan replacement
$500
Monthly
Standard Plan
- Refrigerant leak detection & repair
- Thermostat replacement
- Clean condenser coil
- Air filter replacement
- Clean condenser coil
- AC fan replacement
$600
Monthly
Premium Plan
- Refrigerant leak detection & repair
- Thermostat replacement
- Clean condenser coil
- Air filter replacement
- Clean condenser coil
- AC fan replacement
Testimonials
Our Clients Feedback
— Michael R.
— Jennifer S.
— Brian K.
Business Owner
