Family looking out window at snow
Covington, WA

Your Comfort,
Our Priority

Washington's trusted HVAC and electrical experts. From emergency repairs to full installations, panel upgrades to EV charger installs — we keep your home comfortable, safe, and powered.

Licensed & Insured
4.9★ Rating
15+ Years
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Licensed & Bonded in Washington ♦ 24/7 Emergency Service Available ♦ 4.9-Star Rated on Google ♦ All Major Brands Serviced ♦ 2,500+ Homes Served ♦ Upfront Pricing — No Hidden Fees ♦ Residential Electrical Services ♦ Licensed & Bonded in Washington ♦ 24/7 Emergency Service Available ♦ 4.9-Star Rated on Google ♦ All Major Brands Serviced ♦ 2,500+ Homes Served ♦ Upfront Pricing — No Hidden Fees ♦ Residential Electrical Services
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What We Do

Our Expert Services

Comprehensive HVAC and electrical solutions for your home.

Air Conditioning & Air Quality
Air conditioning unit

Air Conditioning

Fast, reliable AC installation, repair and maintenance for Seattle summers.

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Indoor air quality

Indoor Air Quality

Breathe cleaner, healthier air with our purification and filtration solutions.

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Heating
Carrier furnace installation

Furnace

Gas and electric furnace installation, repair, and maintenance.

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Heat pump system

Heat Pump

Energy-efficient heat pump installation and repair for year-round comfort.

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Mini split system

Mini Split

Ductless mini split installation and repair for homes without ductwork.

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Smart thermostat

Thermostat

Smart thermostat installation and programming for comfort and savings.

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24/7 Emergency Service

Immediate HVAC response when your comfort cannot wait another minute.

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New — Electrical Services

Licensed residential electrical work — from panel upgrades to EV charger installs.

Electrical Panel

Upgrades, replacements, and new panel installations for modern power demands.

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EV Charger

Level 2 home charging station installation for all electric vehicle makes.

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Generator

Whole-home and portable generator installation for reliable backup power.

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Outlets & Circuits

New outlets, dedicated circuits, GFCI upgrades, and rewiring services.

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Lighting & LED

Recessed lighting, LED upgrades, outdoor lighting, and fixture installation.

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Ceiling Fan

Ceiling fan installation, replacement, and wiring for any room in your home.

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Next Phase Heating, Air Conditioning & Electric team with service vans
15+
Years Serving
Washington Families
Why Next Phase

The Next Phase Difference

We combine old-school craftsmanship with modern efficiency to deliver HVAC and electrical service that truly puts your comfort first.

Upfront Pricing

Know the cost before work begins. No surprises, ever.

Licensed & Insured

Fully certified techs you can trust in your home.

Same-Day Service

Fast response when your comfort is on the line.

All Brands Serviced

We service every major HVAC brand and handle all residential electrical work.

Warranty on Work

Our work is backed by a satisfaction guarantee.

Real Communication

We answer your calls and explain everything clearly.

Save Money

Cut Energy Costs by Up to 30%

A well-maintained HVAC system and modern electrical upgrades run more efficiently, saving you hundreds on monthly energy bills.

High-Efficiency Upgrades

Modern heat pumps and AC units deliver 2-3x more efficiency than older models — reducing your energy use while keeping every room comfortable.

2-3x more efficient

Smart Thermostat Integration

We install and configure smart thermostats that learn your schedule and optimize comfort — so you never pay to heat or cool an empty home.

24/7 smart optimization

Preventive Maintenance Plans

Regular tune-ups prevent breakdowns and keep your system running at peak performance year-round — extending its lifespan by years.

30% energy savings
Simple Process

How It Works

Three simple steps to total home comfort.

Book online scheduling form
1

Schedule

Call us or book online. We will find a time that fits your schedule perfectly.

HVAC technician diagnosing
2

Diagnose

Our expert technician arrives, evaluates your system, and explains your options clearly.

Technician with happy customer
3

Resolve

We fix it right the first time so you can get back to enjoying perfect comfort at home.

Schedule Service Today
Testimonials

What Our Customers Say

Real reviews from real Washington families.

"Next Phase was incredible. They came out within hours of my call, diagnosed the problem quickly, and had my furnace running perfectly before dinner. Honest pricing too!"

JM
Jessica M.
Covington, WA

"Best HVAC company in the area, hands down. They installed our new heat pump system and walked us through every detail. Professional from start to finish."

RL
Robert L.
Maple Valley, WA

"Our AC died on the hottest day of the year. Next Phase had a tech at our door within 2 hours. They are now our go-to for everything HVAC. Cannot recommend enough."

SK
Sarah K.
Kent, WA

"After two other companies gave us the runaround, Next Phase was a breath of fresh air. Transparent pricing, skilled technicians, and they actually show up on time!"

DW
David W.
Auburn, WA

"We have used Next Phase for our annual maintenance plan for 3 years now. Always on time, always thorough. Our energy bills have dropped significantly since they tuned up our system."

MT
Maria T.
Renton, WA

"Excellent service from start to finish. The technician explained exactly what was wrong with our furnace and gave us options instead of pushing the most expensive fix. Rare honesty!"

CP
Chris P.
Federal Way, WA

"Next Phase was incredible. They came out within hours of my call, diagnosed the problem quickly, and had my furnace running perfectly before dinner. Honest pricing too!"

JM
Jessica M.
Covington, WA

"Best HVAC company in the area, hands down. They installed our new heat pump system and walked us through every detail. Professional from start to finish."

RL
Robert L.
Maple Valley, WA

"Our AC died on the hottest day of the year. Next Phase had a tech at our door within 2 hours. They are now our go-to for everything HVAC. Cannot recommend enough."

SK
Sarah K.
Kent, WA

"After two other companies gave us the runaround, Next Phase was a breath of fresh air. Transparent pricing, skilled technicians, and they actually show up on time!"

DW
David W.
Auburn, WA

"We have used Next Phase for our annual maintenance plan for 3 years now. Always on time, always thorough. Our energy bills have dropped significantly since they tuned up our system."

MT
Maria T.
Renton, WA

"Excellent service from start to finish. The technician explained exactly what was wrong with our furnace and gave us options instead of pushing the most expensive fix. Rare honesty!"

CP
Chris P.
Federal Way, WA
Summer home

Stay Cool

Beat the Washington heat with reliable cooling.

  • AC repair & installation
  • Efficiency tune-ups
  • Smart thermostat setup
Cooling Services
Winter house

Stay Warm

Never shiver through another Pacific Northwest winter.

  • Furnace repair & replacement
  • Heat pump installation
  • Emergency heating service
Heating Services

Stay Powered

Safe, reliable electrical for your entire home.

  • Panel upgrades & replacements
  • EV charger installation
  • Generator backup systems
Electrical Services
Coverage

Areas We Serve

Proudly serving communities across the greater Puget Sound region.

King County

Covington Kent Maple Valley Auburn Renton Federal Way Seattle Bellevue Issaquah Sammamish

Snohomish County

Everett Lynnwood Edmonds Marysville Lake Stevens Bothell Snohomish Monroe

Pierce County

Tacoma Puyallup Lakewood Bonney Lake University Place Graham Sumner Buckley
Got Questions?

Frequently Asked Questions

Quick answers to the most common questions we hear from homeowners.

We offer 24/7 emergency service and typically respond within 1-2 hours for urgent heating and cooling issues. Your comfort is our priority, day or night.

Yes! We provide free, no-obligation estimates for all new installations and major repairs. We believe in transparent pricing so you can make informed decisions.

We service and install all major HVAC brands including Carrier, Lennox, Trane, Goodman, Rheem, Daikin, York, and Amana. Our technicians are factory-trained on every brand.

We recommend twice yearly maintenance: once in spring for your AC and once in fall for your heating system. Regular maintenance extends equipment life, improves efficiency, and prevents costly breakdowns.

Absolutely. We offer flexible financing options with affordable monthly payments to help make a new HVAC system fit your budget. Ask us about approval during your free estimate.

Have a question not listed here? We are always happy to help.

View All Frequently Asked Questions

Satisfaction Guaranteed

100% happiness or we make it right

No Hidden Fees

The price we quote is the price you pay

Background Checked

Every technician is vetted and trained

Clean Home Promise

We leave your home cleaner than we found it

Winter house scene
Ready to get started?

Experience the
Next Phase Difference

Join thousands of happy Washington homeowners who trust Next Phase for all their heating and cooling needs.

Book Online (425) 648-7887
Licensed & Insured 4.9-Star Rated 24/7 Emergency Free Estimates