We diagnose
A specialist inspects your entire system — airflow, ductwork, and performance — to find the real problem. Not just symptoms.
Emergency dispatch · Vancouver, WA
(360) 839-7670They Replace
We Actually Repair
Honest Answers. Real Solutions. HVAC Repair, Installation & Maintenance In Vancouver, WA & Portland Metro
Up to $3500 in Rebates back to your wallet!
No overtime charges24/7 emergency repairLicensed & insuredWashington & OregonWarranty & Rebates
25+
Years local
10,000+
Installs done
5.0★
Rated in Vancouver & Portland
<1HR
Emergency response
We fix what others overlook.
' That $15,000–$30,000 ‘Replacement’ Might Be a $500 Fix. '
We check the whole system
That is how we fix more systems instead of replacing them.
A lot of “bad furnaces” and “bad air conditioners” are actually airflow, restriction, drainage, or outdoor coil problems. We verify the full path air and refrigerant travel before we recommend a new unit.
What we verify
SUB ZERO DIFFERENCE
- Root-cause fixes other crews miss
- Care factor — we actually care
- Training never stops; we keep leveling up
- Every home treated like our own
- Old-school values, new-school tech
- Local charities — we give back here
Instant quote calculator
Tell us what you need and get a straight answer fast — same written quote we stand by before any work starts.
HVAC Services
What neighbors say
Five stars, repeatedly.
★★★★★
5.0 · 1,200+ homes servedPhoto reviews from Google appear here after the next sync.
How it works
3 Steps to Fix Your Comfort — Not Guess It
From your first call to a properly running system — repair or replacement, done the right way. From first visit to a working system — often same-day for repairs, fast turnaround for installs.
We give you real options
Repair it if it makes sense. Replace it if it doesn't. You get clear, honest options based on your home, budget, and long-term comfort.
We fix it right
Whether it's a repair or full system upgrade, we do it properly — clean, efficient, and built to last.
We service every major brand
Service area
Serving communities in Vancouver & Portland.
Headquartered in Vancouver, dispatching across SW Washington and the Portland metro seven days a week.
Why Sub Zero
Vancouver & Portland picks us for a reason.
Local, family-owned, and obsessed with doing it right the first time. No call centers, no scripts, no upsell games — just a team that treats your home like ours.
Built here in Vancouver
No call centers. No out-of-town crews. Just a local team that shows up and does it right.
Trained to fix it
Background-checked technicians trained in real diagnostics, repair, and proper installation.
Flat-rate pricing
You see the price before we start. No surprise add-ons. No hourly guessing games.
We stand behind long term
If something isn't right, we fix it. No runaround. No fine print.
Fast response
Most repairs are handled same-day. When your system's down, we move.
We maximize your rebates
We handle the paperwork and make sure you get every dollar available — often thousands back.
Straight answers
Questions, answered.
Do you offer financing?
Yes — we offer flexible financing options to make repairs or replacements more manageable. We'll walk you through available plans and monthly payment options so you can choose what works best for your budget.
How fast can I get a new system installed?
Most systems can be installed within 1–2 days after your estimate. In many cases, we can get everything scheduled and completed within 48 hours depending on availability and system type.
What if I need new ductwork?
If your ductwork is undersized, leaking, or poorly designed, we'll show you exactly what needs to be improved and why. Proper ductwork is critical for comfort and efficiency — we fix the system as a whole, not just the equipment.
Will this help my energy bills?
Yes — a properly functioning system can significantly reduce energy waste. Whether it's a repair or a high-efficiency upgrade, improving airflow and system performance typically lowers monthly energy costs.
How often should I service my HVAC system?
At minimum, once a year — ideally before peak heating or cooling season. Regular maintenance helps prevent breakdowns, improve efficiency, and extend the life of your system.
Should I repair or replace my system?
It depends on the age, condition, and cost of the issue. If the system is newer and the repair is minor, fixing it makes sense. If it's older or having repeated problems, replacement may be the better long-term option. We walk you through both so you can make the right call.
Do you offer second opinions?
Yes. If you've been told you need a full replacement, we can take a second look and verify whether that's actually necessary.
Why is one room always hot or cold?
This is usually an airflow or ductwork issue — not the equipment itself. We identify the root cause and fix the imbalance so your whole home stays comfortable.
Free measurement · No obligation
Ready to getComfortable?
Tell us about your home. A real specialist calls back within one business hour to schedule your free in-home measurement. No pressure, no spam — ever.
Direct line(360) 839-7670