5/5
Expert heating, cooling, and home repair services in Black Diamond. Fast response times and transparent pricing.
24/7 Emergency Services
Available whenever you need us
Licensed &
Certified
Fully qualified technicians
Satisfaction
Guaranteed
100% quality workmanship
Highly
Rated
Trusted by local homeowners
Experienced
Team
16+ years of repair & install
Black Diamond sits in a pocket of King County where the weather doesn’t always follow the forecast. Winters bring persistent cold and damp that older homes feel deeply, and summers have been running hotter than most people expect this far from the city. Whether you’re in one of the well-worn houses near Old Town or a newly built home in Ten Trails, your heating and cooling system works harder here than it might somewhere more temperate.
That mix of housing stock matters. Older homes in the area often carry aging furnaces or electrical panels that haven’t been touched in decades. Newer builds in the Ten Trails community are modern and efficient, but they still need proper heat pump service and AC maintenance to perform the way they were designed to. The needs look different, but the underlying goal is the same: a home that stays comfortable without surprises.
Cascadia Comfort handles heating repair, cooling, electrical work, and more for Black Diamond homeowners. We give you a straight assessment of what your system actually needs, and we’ll tell you honestly when a repair makes more sense than a replacement.
01
Schedule Appointment
Schedule service at a time which works best for you with our online scheduler or give us a call and we’ll get you on the calendar asap!
02
Expert Diagnosis
Our certified technician arrives and thoroughly inspects your system. You’ll receive a phone call from them when they are on their way as well as a photo of them and short bio about them, so you know a little about your technician before they arrive!
03
Professional Service
We complete the repair or installation with quality parts and workmanship. Our team recommends top ranked brands, via Consumer Reports, so you can trust repairs and new equipment last.
Black Diamond has a character that’s genuinely hard to find in King County. The Black Diamond Bakery has been pulling people off Highway 169 for generations, and the Historical Museum a few doors down tells a story most newcomers don’t expect from a town this size. That sense of place, rooted in a real coal-mining past, is something longtime residents take quiet pride in.
The community is also changing in ways that feel mostly good. Ten Trails is bringing thousands of new households into the area, with parks, trails, and neighbors who chose this corner of the county intentionally. Lake Sawyer draws families out on weekends year-round. The older streets near downtown and the newer cul-de-sacs being finished off Lawson Hill Road represent two very different chapters of the same town.
We work across all of it. Whether you’re heating a 1970s rancher near the center of town or commissioning a new system in a freshly built Ten Trails home, we show up as neighbors, not as a dispatch from a regional call center. Cascadia Comfort is a local company, and the people we send to your door actually know this area.
Great experience, they were on time, super clean and respectful of our home, responsive and even came in under budget. Would definitely recommend!Posted on Rick Rieger Always a great experience! Regis and Riley have been so helpful. Also, Adam in the office is easy to work with. Highly Recommended!Posted on Jennifer Stephen Regis and his team came out to install our heat pump and they did a fantastic job. They were on time and completed the work to a very high standard. Regis took the time to explain everything to me in detail and answered all of my questions thoroughly. When the job was done, they cleaned up thoroughly and left the place in the same condition in which they found it. They charged a very fair price for the work done and I would highly recommend working with them and if I ever have any other HVAC needs, we will definitely call Cascadia.Posted on Sean McAllister Amazing service, communication and fast repair within 24 hours of request! Thank youPosted on Shan H Thank you for professional service.I am definitely recommending your service. Thank you for quick response and great work.Posted on Mohammed Al Khalidi Our heat pump went out so we called Cascadia Comfort at the recommendation of a friend. We had called another company and they had given us a repair price that was outrageous so we wanted a second opinion. When they made the appointment, it was fast and easy. When the first technician came out they texted us with a picture of him and some info about him which made us feel more at ease knowing who to expect. Regis wasted no time diagnosing the issue and gave is a straightforward cost for repair and that he was wary of putting so much money into our 22 y/o unit, but told us that he was willing to do so if that's what we chose. He also gave us options for replacement since it was past its sevrice life, but there was absolutely no pressure. I appreciated that he gave me options and educated me but didn't feel like upselling or trying to get me to spend more money than we needed to. Once we made our decision they scheduled the repair quickly. Riley came out and got to work on the repair. He was friendly and answered all our questions. You could tell he was passionate about his work. Billing was easy and the unit works great! When we do have the money to replace our unit, I know where we'll be going: Cascadia Comfort!Posted on Brad Lakey Cascadia Comfort has been amazing to work with. They are very informative and detail oriented, great customer service. Shoutout to Regis and Riley for installing the AC unit!Posted on Caleb Shih Thank you.Posted on MICHAEL GIRMA I’ve used services from many companies over the years, but most of them did a rushed job and only charged extra fees. Cascadia Comfort was different. They explained everything thoroughly, performed a detailed inspection, and even handled the cleaning with great care. The service was incredibly friendly and trustworthy. I plan to continue using them regularly in the futurePosted on Lisa Montague
2-YEAR SATISFACTION GUARANTEE
10-YEAR PARTS & LABOR WARRANTY
COMMON HVAC ISSUES WE FIX
When you’re out near Lake Sawyer in January and the furnace stops working overnight, waiting isn’t a real option. The same goes for a July afternoon in Ten Trails when an AC unit gives out and the house is full of family. Black Diamond isn’t a quick detour from a major highway, and residents here know that service companies sometimes treat the drive as a reason to push appointments back.
We don’t. Cascadia Comfort offers same-day help for heating repair, AC repair, and electrical issues across the Black Diamond area. Whether it’s a heat pump that stopped cycling, a generator that needs attention before the next outage, or a furnace that’s making a noise it wasn’t making last week, we’ll get to you the same day whenever we can. Responsive service isn’t a sales promise. For neighbors this far out, it’s just what the job requires.
Yes. We know Black Diamond isn’t always the closest stop for service companies, and we think that’s exactly why same-day availability matters here. When your heating or AC system goes down, we do our best to get to you the same day so you’re not stuck waiting through a cold night or a hot afternoon.
We cover a full range of HVAC and electrical needs for Black Diamond homes and businesses. That includes furnace repair and installation, heat pump service, AC repair and replacement, cooling system maintenance, electrical work, generator installation, and commercial HVAC support. If something in your home’s comfort or electrical system isn’t working right, we can help.
Yes. We work with commercial properties in Black Diamond including small businesses, mixed-use buildings, and properties within growing areas like Ten Trails. If you manage a commercial space and need HVAC or electrical support, give us a call and we’ll talk through what you need.
We look at the age of the equipment, the cost of the repair relative to what the system is worth, and how efficiently it’s been running. We don’t push replacement when a repair makes more sense financially. If your system has more life in it, we’ll tell you that. If replacement is genuinely the better call, we’ll explain why and give you options.
Yes. Financing is available for qualifying customers. If a larger repair or a new system installation is more than you want to pay out of pocket right now, we can walk you through the options when we’re on-site or over the phone before you commit to anything.
Your home is your investment, and your comfort is non-negotiable. Whether your furnace is making a noise it shouldn’t, your AC didn’t survive winter storage, or you’re ready to upgrade an aging electrical panel, we’re just a call away. We serve Black Diamond homeowners with the same care and attention we’d give our own neighbors — because in many cases, we are.