Blog - Air Comfort Heating & Air Conditioning
Why Your AC Plays a Role in Winter Comfort Too
In winter, you might not think about your air conditioner — but it plays a hidden role in your home’s comfort.
Here’s how:
It shares ductwork with your furnace
Your blower motor (often in the AC unit) runs year-round
A clean coil improves air circulation
Some systems use the AC compressor for dehumidification
So don’t forget about AC maintenance in winter — it could be helping your furnace work smarter.
Insulation Wins: What Pays Back the Fastest
Not all insulation is created equal — and when it comes to ROI, some areas of your home offer faster payback than others.
Top areas for immediate impact:
Attic insulation: Prevents rising heat loss
Rim joists and basement walls: Stops cold air infiltration
Air sealing around windows and doors
Combine insulation with HVAC upgrades and you’ll boost efficiency, comfort, and resale value all at once.
Rebate + Incentive Roundup for MN Homeowners
Minnesota homeowners have access to a wide range of rebates and incentives for upgrading their HVAC systems, improving insulation, or installing heat pumps. Programs like the Inflation Reduction Act (IRA), local utility rebates, and state-backed clean energy incentives can cut thousands off your project costs.
Check with:
Xcel Energy, CenterPoint Energy, and Connexus for rebate offerings
Minnesota Department of Commerce for energy-saving programs
Federal tax credits for Energy Star-rated equipment
Don’t miss the chance to save — especially if you’re planning a system replacement or energy retrofit.
Indoor Air Quality Tech (ERV/HRV + Purifiers + More)
Wintertime in Minnesota means shut windows, sealed homes, and stale air. That’s where indoor air quality (IAQ) tech comes in.
What’s trending:
ERVs (Energy Recovery Ventilators) and HRVs (Heat Recovery Ventilators) exchange stale indoor air for fresh outdoor air while retaining heat.
Whole-home air purifiers remove dust, allergens, and even bacteria.
Upgraded filters (HEPA, MERV-13+) catch more airborne particles than standard ones.
These upgrades aren’t just about comfort — they support respiratory health, reduce static, and even help your HVAC system run cleaner.
Smart Home Heating — What Works and What Doesn’t
Smart home heating tech promises comfort and savings, but how does it hold up in Minnesota winters?
What works:
Smart thermostats (like Ecobee or Nest) learn your habits and adjust temps accordingly.
Zoned heating systems help control temps room-by-room.
Remote monitoring allows vacationers to track heating from afar.
What doesn’t always work:
Smart vents can be overcomplicated or interfere with airflow.
Learning thermostats may struggle to adapt to rapid temp swings.
Bottom line: Smart heating tech can add real value — but it’s only smart if it works for your specific home and heating system.
Emergency Heating: What to Do If Your System Fails
A furnace failure in the middle of a Minnesota cold snap is no joke. But before you panic, here’s what you should do:
Check your thermostat. Make sure it has power and is set to “heat.”
Inspect your breaker box. A tripped breaker can stop your system cold.
Ensure the filter isn’t clogged. A dirty filter can cause shutdowns.
Check the furnace’s intake/exhaust pipes. Snow or ice buildup can block airflow.
While you wait for a technician:
Use space heaters safely (no extension cords, 3-ft clearance).
Layer up, use blankets, and gather in one room.
Open cabinet doors under sinks to prevent frozen pipes.
Emergencies happen — staying calm and prepared can make all the difference.
HGTV vs Reality: HVAC Edition (Funny but Helpful)
We love a good HGTV montage — but let’s be honest, HVAC rarely gets its screen time. When it does? It’s often… simplified.
HGTV: Install a furnace in 3 minutes.
Reality: Requires permits, inspections, ductwork, code compliance, and skilled labor.
HGTV: "Let’s move this vent!"
**Reality: That’s a structural wall and rerouting costs $$.
HGTV: “Just upgrade to a heat pump!”
**Reality: Great idea — but what’s your home’s insulation rating and layout?
HVAC systems are complex and customized. So yes, be inspired by your favorite home shows — but don’t skip the expert input. In Minnesota’s climate, you’ll want form and function.
How Humidity Impacts Your Heat — And Your Health
Winter in Minnesota is brutally dry — and your home’s indoor humidity plays a bigger role than most homeowners realize.
Too dry?
You may notice:
Static electricity zaps
Dry skin and irritated sinuses
Cold air that feels even colder
Too humid?
hat can lead to:
Condensation on windows
Mold growth
Increased allergens
Ideal humidity levels in winter: 30–40%
How to achieve it:
Install a whole-home humidifier
Use a hygrometer to track moisture
Seal drafts to prevent outside air fluctuations
Balance is everything. Proper humidity helps your furnace work more efficiently and keeps your family more comfortable.
Air Filters 101 — What Matters Most This Winter
When your home is sealed up tight for winter, the quality of your air depends heavily on one thing: your furnace filter. But with so many options — MERV ratings, HEPA, disposable vs. washable — how do you choose?
Here’s what matters most this winter:
MERV rating: For Minnesota homes, a filter rated MERV 8–13 is ideal. It catches particles like dust, pet dander, and even some bacteria.
Change it often: Every 1–3 months in winter. More often if you have pets or allergies.
Fit matters: Make sure your filter fits snugly. Gaps reduce effectiveness.
Don’t overdo it: Too high of a MERV rating can restrict airflow in older systems.
Your furnace filter isn’t just about cleaner air — it helps your system run efficiently and last longer. Small swap, big impact.
Why Old Furnaces Die Mid‑Storm (And What to Do)
It always seems to happen in the middle of a storm: the furnace quits. Here’s why that’s more than coincidence.
Top reasons old furnaces fail during storms:
Long run times under extreme temps expose worn-out parts.
Fluctuating power from storms can fry older control boards.
Clogged filters or blocked vents lead to overheating.
Preventative tips:
Get a tune-up before peak winter hits.
Replace the filter monthly in heavy-use months.
Know your furnace’s age — 15+ years is time to start planning.
Don’t wait for frostbite to discover your furnace’s retirement date.