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HAMCO Heating and Cooling Ltd.

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What are HAMCO Heating and Cooling Ltd. 's services in Hamilton ?

HAMCO has been serving the heating and air conditioning needs of Hamilton, Halton, Burlington, Grimsby, Oakville, Brantford and Mississauga since 1946. We are a third generation, family business that specializes in offering the highest quality...  More

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Last Posts
Why Closing Heating Vents in Unused Rooms Actually Increases Energy Bills
News, 2026-11-04
It seems like a no-brainer: if you’re not using a room, why waste money heating it? Closing the vents in those empty spaces should lower your utility bills, right? It’s one of the most persistent myths in home comfort. Unfortunately, closing heating vents in unused rooms doesn’t save money. It actually raises your heating bills […] The post Why Closing Heating Vents in Unused Rooms Actually Increases Energy Bills appeared first on HAMCO Heating & Cooling.
The Carney Government Just Announced New HVAC Rebates Launching in 2027
News, 2026-10-28
If you’ve been thinking about upgrading your home’s heating and cooling system, big changes are on the horizon. The Government of Canada recently announced a $2 billion investment over eight years designed to help lower energy bills, improve home comfort, and reduce emissions for Canadians across the country. The new National Heat Pump Rebate Program […] The post The Carney Government Just Announced New HVAC Rebates Launching in 2027 appeared first on HAMCO Heating & Cooling.
Why High-Efficiency Furnaces Leak Water: Causes, Risks, and System Lockouts
Furnaces, 2026-10-21
For modern, high-efficiency heating systems, water production is not a glitch; it’s actually a characteristic of normal operation. However, when that water ends up on your floor or causes your system to shut down unexpectedly, it signals an internal drainage failure.  Understanding how condensing furnaces manage liquid, why leaks occur, and how safety mechanisms respond […] The post Why High-Efficiency Furnaces Leak Water: Causes, Risks, and System Lockouts appeared first on HAMCO Heating & Cooling.
Why Hamilton Mountain Homes Need Different Furnace Settings
Heating, 2026-10-14
If you live on the Hamilton Mountain, you have likely noticed that your furnace runs more and your heating bill is higher than a friend’s down in the Lower City. This happens because Hamilton is topographically split by the Niagara Escarpment. Homes on the Mountain sit roughly 330 feet higher than those in the Lower […] The post Why Hamilton Mountain Homes Need Different Furnace Settings appeared first on HAMCO Heating & Cooling.
What is The Difference Between Factory-Authorized vs. Generic Dealers?
News, 2026-09-23
A factory-authorized dealer completes rigorous, specialized training directly from a manufacturer, and is authorized to install their premium systems.  In contrast, a generic dealer lacks direct manufacturer endorsement, meaning their technicians might not be up-to-date on specific brand specs, potentially risking incorrect installations and voided manufacturer warranties. Why Should I Hire a Factory-Authorized HVAC Dealer? […] The post What is The Difference Between Factory-Authorized vs. Generic Dealers? appeared first on HAMCO Heating & Cooling.
What Does a Blinking Red Light on My Furnace Mean?
News, 2026-09-16
Noticed a red light flashing on your furnace? Don’t panic. That light is simply your system’s way of communicating error codes and safety alerts.  Modern high-efficiency furnaces and heat pumps use integrated circuit boards with diagnostic LEDs to pinpoint issues. A flashing light doesn’t mean your system is ruined, but it does mean a safety […] The post What Does a Blinking Red Light on My Furnace Mean? appeared first on HAMCO Heating & Cooling.
What Do TSSA and HRAI Actually Mean for Your HVAC Setup?
News, 2026-09-04
When shopping for a new HVAC unit, you want an installer who does the job safely and correctly. Searching for “how to find a good HVAC installer” will quickly lead you to licensing and insurance requirements, along with acronyms like TSSA and HRAI. You may wonder what these credentials mean and why they matter. The […] The post What Do TSSA and HRAI Actually Mean for Your HVAC Setup? appeared first on HAMCO Heating & Cooling.
Are High-Efficiency Furnaces Actually Worth The Extra Cost?
Furnaces, 2026-08-26
When shopping for a new furnace, you’ll see various AFUE ratings. High-efficiency furnaces carry AFUE ratings between 95% and 98%. Older, mid-efficiency furnaces usually sit around 80%. Over time, wear and tear drops that efficiency even lower. So, is a 90%+ AFUE system worth the higher upfront investment? Let’s break down how these systems work […] The post Are High-Efficiency Furnaces Actually Worth The Extra Cost? appeared first on HAMCO Heating & Cooling.
Why Is One HVAC Quote Thousands of Dollars Cheaper Than the Rest?
News, 2026-08-19
Getting a new furnace, A/C, and/or heat pump is a major investment. So, when you start gathering quotes, you might experience a little sticker shock. But then, a third quote comes in. It’s significantly lower. In fact, it is thousands of dollars cheaper than the rest. It’s completely natural to feel relieved and want to […] The post Why Is One HVAC Quote Thousands of Dollars Cheaper Than the Rest? appeared first on HAMCO Heating & Cooling.
AC Smelling Musty? How to Cure “Dirty Sock Syndrome”
Air Conditioners, 2026-08-12
If your A/C smells musty, similar to a high school locker room, you are likely dealing with a very real HVAC phenomenon which is commonly noted as “Dirty Sock Syndrome.” The good news is that this funky odour is highly treatable. Below we take a look at what’s causing that smell and how to get […] The post AC Smelling Musty? How to Cure “Dirty Sock Syndrome” appeared first on HAMCO Heating & Cooling.
AC Unit Buzzing but the Fan Won’t Spin? Here’s What’s Happening
Uncategorized, 2026-08-05
Notice a loud buzzing sound coming from your outdoor AC unit while the fan blades stay completely still? Your system is trying to run but is stuck. To prevent a massive repair bill, turn the system off right away. Here is a quick look at the common culprits behind a dead fan and what you […] The post AC Unit Buzzing but the Fan Won’t Spin? Here’s What’s Happening appeared first on HAMCO Heating & Cooling.
Local HVAC Company vs. Corporate Chains: Who Should You Trust With Your Home Comfort?
News, 2026-07-30
When your air conditioner breaks down in the middle of a sweltering July heatwave, or your furnace cuts out on a freezing January night, your main priority is getting it fixed fast. You look online, find a few names, and make a call. But behind the logos and catchy radio jingles, the HVAC industry has […] The post Local HVAC Company vs. Corporate Chains: Who Should You Trust With Your Home Comfort? appeared first on HAMCO Heating & Cooling.
Does the Brand of Your A/C Matter More Than the Company Installing It?
Air Conditioners, 2026-07-15
When your central air conditioning system starts blowing warm air in the middle of a July heatwave, your first instinct is probably to start researching brands. You search for the highest-rated manufacturers, look up efficiency percentages, and compare warranties. It makes total sense. We live in a world where buying a premium brand usually guarantees […] The post Does the Brand of Your A/C Matter More Than the Company Installing It? appeared first on HAMCO Heating & Cooling.
How Can I Lower My Homes Humidity If My AC Alone Isn’t Cutting It? 
Air Conditioners, 2026-06-30
Summer brings plenty of sunshine, but it also brings a heavy dose of muggy, sticky air.  When this happens, your air conditioner is supposed to be your first line of defense. Aside from cooling down the temperature, an AC system functions to extract excess moisture from the air. However, if your home still feels damp, […] The post How Can I Lower My Homes Humidity If My AC Alone Isn’t Cutting It?  appeared first on HAMCO Heating & Cooling.
What Should I Check if The AC Won’t Start?
Cooling, 2026-06-24
If a summer heat wave has arrived and your cooling system refuses to cooperate, the rising indoor temperatures can quickly become stressful. Before you panic and call for emergency HVAC service, it is a good idea to perform a little troubleshooting on your own.  In many cases, the culprit is a simple, easily fixable issue. […] The post What Should I Check if The AC Won’t Start? appeared first on HAMCO Heating & Cooling.
How to Avoid Air Conditioner Water Damage
Air Conditioners, 2026-06-18
Summer in Hamilton doesn’t just bring the heat. It also brings heavy rain, sticky humidity, and long stretches of damp weather. On especially hot days, all that extra moisture in the air can make your home feel even more uncomfortable.  What many homeowners do not realize is that this humidity can also put added strain […] The post How to Avoid Air Conditioner Water Damage appeared first on HAMCO Heating & Cooling.
Why is One of My Rooms Always Hotter Than the Rest?
News, 2026-06-10
Having one room in your home that always feels hotter than the rest is actually a common problem in many homes. But why is that? Your HVAC system is designed to keep your entire home at a consistent temperature. When one room feels hotter, it usually means there is an issue with airflow, insulation, or […] The post Why is One of My Rooms Always Hotter Than the Rest? appeared first on HAMCO Heating & Cooling.
Why Is My A/C Running But Not Cooling the House?
Air Conditioners, 2026-06-02
When your air conditioner is running but your home still feels warm, it can be frustrating and confusing. You hear the system working, air is coming through the vents, yet the temperature just won’t drop.  This is a common issue homeowners face, especially during peak summer months. The good news is that many of the […] The post Why Is My A/C Running But Not Cooling the House? appeared first on HAMCO Heating & Cooling.
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