A & L Heating, Cooling & Home Improvements

A & L Heating, Cooling & Home Improvements A full service heating, air conditioning install & repair company. We will soon be offering free home energy assessments & Home Additions. Cape Cod, MA

The premier sales and installation company on Cape Cod for gas fired forced hot air systems, mini split air conditioners, central air and new energy efficient windows and doors. We also will be building home additions and providing free home energy assessments all across Cape Cod MA

Get a second opinion ... 🏡
07/24/2026

Get a second opinion ... 🏡

Sometimes you have to stack! 🏡
07/20/2026

Sometimes you have to stack! 🏡

Need Emergency A/C Repair? Call Today 🏡
07/17/2026

Need Emergency A/C Repair? Call Today 🏡

05/10/2026

High Humidity + Cold Surfaces (Condensation)
When warm, humid air hits cold surfaces (like supply ducts during cooling), moisture forms.
Why it matters:
That liner acts like a sponge → it absorbs moisture
Once it stays damp, mold has the perfect environment to grow

Common causes:
High indoor humidity (poor dehumidification)
Oversized A/C system short-cycling (not removing moisture long enough)
Low airflow across the coil (coil gets too cold → more condensation)
💨 2. Poor Airflow / Dirty System

Mold needs food, and in HVAC systems, that’s dust, dander, and debris.

What leads to this?
Dirty or missing filters
Clogged blower wheel or coil
Undersized return ducts choking airflow
Result:
Dust sticks to damp liner → mold feeds and spreads… 🏡

03/08/2026

☀️ Cape Cod summer will be here before you know it… is your AC ready?
One of the most overlooked parts of air-conditioning maintenance is cleaning the condenser coil inside the outdoor unit. Here on Cape Cod, systems deal with a lot—salt air, sand, pollen, and coastal moisture—which can cause dirt and debris to build up inside the condenser coils faster than most homeowners realize.
When those coils get clogged, your AC has to work much harder to remove heat from your home, which can lead to:
❌ Higher electric bills
❌ Weak cooling during hot Cape Cod days
❌ Overheating compressors
❌ Costly breakdowns in the middle of summer…
During annual preventative maintenance, the panels are carefully removed and the coils are cleaned from the inside out to safely remove buildup and restore proper airflow.
A clean condenser helps your AC system run cooler, more efficient, and more reliably—especially during those humid Cape Cod heat waves.
💡 A little maintenance now can prevent big problems later.
If you live on Cape Cod, now is the time to get your system checked before the summer rush hits.
👇 Have you had your AC serviced yet this year?

12/21/2025

🔥 WATCH THIS BURNER CLOSELY 🔥
See that flickering flame? That’s not normal — and it’s not safe.
On a properly operating warm-air furnace, the flame should be steady, strong, and consistent. When a burner flickers, dances, or struggles to stay lit, it’s often a sign of incomplete combustion — and that almost always comes down to improper air.
⚠️ Why proper combustion air matters:
A furnace needs the right mix of fuel + oxygen to burn cleanly. When airflow is restricted or incorrect, the flame can’t fully burn the gas. That can lead to:
• Reduced efficiency (higher fuel bills)
• Soot buildup inside the furnace
• Flame rollout or delayed ignition
• Carbon monoxide risk
• Premature heat exchanger failure
• Unexpected breakdowns — usually on the coldest Cape Cod night
❄️ This is especially important on Cape Cod
Our homes are often tight, insulated, and sealed to keep heat in — but that also means combustion air can be limited. Add in blocked vents, snow buildup, mechanical room clutter, or a dirty burner assembly, and you’ve got a recipe for incomplete combustion.
👨‍🔧 What we do during a professional service:
✔️ Check combustion air supply
✔️ Inspect burner flames and carryover
✔️ Clean burners and heat exchanger surfaces
✔️ Verify proper draft and exhaust
✔️ Make sure your furnace is burning clean, safe, and efficient
If your furnace flame doesn’t look right, don’t ignore it. That flicker is your system telling you something’s wrong.
📍 Proudly serving Cape Cod, MA — keeping homes safe, warm, and efficient all winter long.














Address

30 Melissa Drive
West Yarmouth, MA
02673

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