Heating & Cooling Systems

Determining the best type of system for your home depends on geographical location, the size and physical characteristics of your home, and the way the system will be used.

HVAC System Types

Split Systems

A split system is the most common type of heating and cooling. The furnace, which is indoors, is used as the heat source, while the air conditioning unit is outdoors and functions to cool the home. This type of system consistently and reliably heats and cools your entire home, as well as maintains indoor air quality through the use of filters inside the furnace.
Carrier_Outdoor_Unit
systems
hybrid system
hybrid system

Hybrid Systems

A hybrid system consisting of a heat pump provides both heating and cooling but with greater efficiency. This system is normally paired with a gas furnace or an electric air handler. A Heat Pump works just like an air conditioner to cool your home, which is by moving heat from inside the home to outdoors. A heat pump, however, has a reversing valve that allows it to absorb heat energy from outside air (yes, even in cold temperatures) and sends it indoors, thus supporting the heating effort for the home as well. When the weather is extra cold, the gas furnace becomes the primary heat source to ensure maximum comfort is maintained. It’s a solution that saves both energy and fuel.

Ductless Systems

Ductless systems enable you to heat and/or cool your home without invasive ductwork. They also operate quietly, have a compact design, and require minimal installation. Both Heat Pump and A/C solutions are flexible, whether you’re looking to maintain comfort in one room or multiple rooms.
Are you suffering from a hot or cold spot in your home?
Are you renovating your home?
Do you want air conditioning but can’t add duct work?
Ductless systems deliver cooling and/or heating to specific, targeted areas within the home. The installation is less invasive and can even be less expensive since these systems don’t require ductwork to distribute air. Ductless systems have an outdoor unit connected through a small hole to a compact wall-mounted unit indoors. Each indoor unit is designed to provide warm or cool air solely for the room in which it is installed. The indoor unit can be installed on a wall, in the ceiling, or on the floor. Ductless systems can be used for only one or two rooms, but they can also be expanded to make up to 8 separate climate zones in your home.
residential heating and cooling
residential heating and cooling
Air Conditioning
These flexible systems deliver targeted comfort in the indoor areas they’re placed. They also act as a zoning system by offering individual temperature control over each separate room. For example, if you want a cooler home office but a warmer bedroom, you can install a ductless unit in each room. This allows you to set different temperatures in each area depending on your comfort needs. A wireless remote makes this even easier. Not only are these units generally very energy efficient, but they also give you a much more refined level of control than you would have with a traditional duct-based system.

Heating and cooling systems come in Single-Stage, Two-Stage, and Multi-Stage options representing the levels at which they operate.

A Single stage unit means its operating speed is either on or off.
A Two-stage unit means it operates on either high or low. The low setting is adequate to meet most household comfort demands about 80% of the time, providing even temperatures. On hotter days, it can leverage the high level of operation to maintain comfort levels. Two stage systems are typically quieter and more efficient than a single stage unit.
A Multi-stage unit has a range of operation and therefore the most precise temperature control and best comfort. These variable speed units are the quietest and offer the most energy savings.

With an HVAC system, one size does not fit all. It is important to consider:

Cooling & Heating Capacity
Energy Efficiency
Air Quality
Humidity Regulation
Installation Requirements Unique to Your Home

Your Comfort Consultant will explain what these terms mean and help you identify which equipment will best suit your needs.

Air Conditioning Installation

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Why Choose Home Comfort Alliance?

Your Comfort is Our Promise
We promise the comfort of dependable heating, air conditioning, plumbing, and electrical services.
We promise you will feel comfortable with the people working in your home because they're knowledgeable, respectful, trustworthy, and tidy.
We promise the comfort of being offered options to help you find the right solution, at the right price.
We promise outstanding communication, service, and follow-up, so you're comfortable now and for years to come.
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It's a promise we've kept wtih thousands of homeowners across Western Washington

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Read our real customer reviews below!
MM Comfort Systems - Part Of Home Comfort Alliance
Excellent
4.7
Based on 2457 reviews
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Isn’t could not have been better at understanding our situation, giving us his advice, and explaining our options.
Always great service
Amazing customer service start to finish. They know their stuff. Would definitely recommend them
I am very happy with Home Comfort Alliance home service. I had them install AC, outlets, hot tub connection, and canned lighting in my newly purchased home. Very professional. You won't be disappointed.
Luke was fast, friendly, efficient. He clearly knows what he was doing.
I have been a customer for over 15 years. I bought 2 new furnaces- one for a home I sold 3 years ago & one for present home. Never a problem.I signed up for annual maintenance. The maintenance is great. Today, I thought I had an issue with the furnace; my house was cold. I called and within 24 hours there was a technician at my house. Turns out I had a bad thermostat which I had suspected.He had 2 models on him, and he installed one. He also mentioned the WiFi feature, and offered to put it on my phone. (My luck with my new iPhone is abysmal.)Normally I would have resisted putting another app on my phone, but so glad I had the tech do it.1. He had a couple issues getting the thermostat and phone to connect, but he knows the app & what to do.2. The app is way easier to use than the thermostats. Love it!MM Comfort aka Home Care Alliance is AWESOME!
Great tech and great service!
Alex from Home Comfort Alliance is knowledgable about the products and his installation was first class! Doing the deal through Costco couldn't have been a better combination of the best of the best.
Connor was very friendly, professional and answered all my questions!
Ian arrived on time, he was knowledgeable and prepared to answer all of our questions. He wasa good listener, polite and respectful. He made it clear that he was there to help us to make a sound decision in our heating needs and purchase. He was a great ambassador to his company.
Excellent service!Thank you!
This company installed our system over 15 years ago. Their technicians have always been professional and knowledgeable. Keith has been out here several times doing our annual maintenance. He is very friendly and really knows what he’s doing. He’s very patient when answering all my questions.
Fast and quality service. Cleaned up when they were done. Will happily use again
Amazing! On time, professional, diagnosed the issue quickly and fixed it on the spot. That said, what I appreciate the most is that Rob didn’t try to sell me anything that I didn’t need. I had a different company do an estimate and what they wanted to sell me was astronomically expensive and totally unnecessary. Thank you!
Issac from Home Comfort Alliance came out for blower maintenance and cleaning today. He was very courteous and knowledgeable of our heating system. The first thing he did was explain how much the cost was going to be. Then he looked at the blower using a scope to verify that it needed cleaning, which it did. Because of the type of system we have he had to take the whole unit apart just to get at the blower and remove it so he could clean it. Before he did the cleaning he showed me how dirty it was and afterwards he showed me the pictures of how he cleaned it. When Issac finished he went over everything he did and went over the paperwork. I am very pleased with his work. Thank You Sir.
Maintenance service visit. Good service, reasonable pricing. Knowledgeable technician. Friendly and easy to schedule.
Allen Walker did a great job with our furnace. While he worked, he explained what he was doing and point out what it was. I recall that he was our service technician before, several years ago. Great to have him; right on time and does excellent work. He obviously has pride in taking care of his customer! Thanks Allen!
Dylan, as always, was friendly and efficient. Couldn't ask for better service!
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