Ductless Mini-Split Installation Keeping California Comfortable

Mini Split Installation in Corte Madera

Mitsubishi Electric Diamond™ Elite Installation. 12-Year Warranty Protection.

When you schedule a mini split installation in Corte Madera with Tech Air, you’re working with a Mitsubishi Electric Diamond™ Elite Contractor. It’s the highest certification tier in Mitsubishi Electric’s program. That credential isn’t just a badge. It means qualifying single-family home installations are eligible for a 12-year parts and compressor warranty when the system is registered within 90 days of installation, compared to the standard 5-year parts and 7-year compressor coverage you’d get from a non-certified installer. We’re a veteran-owned company with licensed and insured technicians serving residential and commercial clients throughout Corte Madera and the surrounding Marin County area.

We offer free estimates and same-day appointments. Call Tech Air today at (415) 909-3599 to schedule yours.

What the Diamond™ Elite Credential Actually Means

Diamond Elite is the highest of Mitsubishi Electric’s three contractor certification tiers. Reaching and maintaining it requires annual factory training, documented installation volume, and customer satisfaction tracking. Our technicians receive ongoing, direct training from Mitsubishi Electric on proper sizing, refrigerant line installation, and system configuration. This matters because an improperly sized or incorrectly charged system can run less efficiently and wear out sooner. Manufacturer-certified training addresses those risks before they become your problem.

We’re also City Multi Certified, a separate Mitsubishi Electric credential for commercial multi-zone systems. Whether you’re upgrading a single room or outfitting an entire commercial space, our installation work is backed by the same level of factory-recognized training.

Why Corte Madera Clients Choose Tech Air

We offer same-day and weekend appointments because cooling season doesn’t follow a Monday-through-Friday schedule. Free estimates are available by phone or through our online contact form, and we offer financing options to help manage upfront installation costs. As a BBB Accredited, veteran-owned contractor, our approach is straightforward: we assess your property, recommend what you actually need, and install it correctly. No upselling, no padding the scope.

Every property we work on gets treated the way we’d treat our own. That’s not a tagline. It’s the standard we hold ourselves to on every job.

Request a Free Mini Split Installation Estimate

Getting a quote is simple and costs nothing. We can assess your space, walk you through compatible Mitsubishi Electric systems, and give you a clear, honest number. Call Tech Air at (415) 909-3599 or reach us through our online contact form to schedule your free estimate today.

How Ductless Mini Split Systems Work

A ductless mini split system connects an outdoor compressor unit to one or more indoor air handlers through a refrigerant line run through a small hole in an exterior wall. No ductwork involved. Single-zone systems heat or cool one room or defined area. Multi-zone systems connect one outdoor unit to multiple indoor air handlers, typically four to eight depending on model and capacity, letting different rooms maintain different temperatures independently.

Mini split systems use inverter technology, which varies compressor speed to maintain consistent temperatures rather than cycling on and off at full power. The result is more stable comfort and lower energy consumption compared to traditional systems.

Air Handler Configurations

We install wall-mounted, ceiling cassette, and floor-mount air handlers from Mitsubishi Electric’s product lineup. For homes that prefer a ducted approach, Mitsubishi Electric’s intelli-AIR™ Ducted Solutions offer a mini split heat pump option compatible with existing or new ductwork.

Spaces Mini Splits Serve Well

Mitsubishi Electric systems are well suited for a wide range of spaces. Common installations include:

Garages and home offices
Finished basements and home additions
Bedrooms and home gyms
Sunrooms and enclosed porches
All-electric homes and tiny homes

When a Mini Split Is the Right Choice for Your Home

Corte Madera’s mild coastal climate means a mini split heat pump can handle both summer cooling and winter heating without a separate heating system. It’s a practical choice for year-round comfort, especially in homes without existing ductwork.

Installing full ductwork in an older Marin County home or a room addition can be costly and disruptive. A multi-zone mini split system can serve an entire house without that investment. Converted garages, finished basements, and home additions are frequent scenarios where extending existing ductwork simply isn’t practical. Mini splits are also a common path for all-electric home upgrades, replacing gas furnaces or aging central systems with a single, efficient solution.

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Start Today

With Our Experienced Team of Trusted Technicians

Call (415) 909-3599 or fill out the form below to get started with a free quote.

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What Our Customers Are Saying

We're the Coolest in the Business

We've earned a reputation as a trustworthy team of experts you can rely on. See what some of our past customers say about their service.

“Very Happy With the Service”
“Our AC unit stopped working. Colin came out the morning after I called and in 30 minutes had my AC functioning. Very happy with the service and reasonably priced!”

- Genya M.
“Absolutely Fantastic”
“Colin and Reggie were fantastic - super responsive, responsible, and in one week's time we had a brand new A/C unit, new duct tape work, and a new furnace. Colin did everything as promised.”

- Andrey V.
“I've Found My HVAC Person”
“It's really awesome when you can find someone honest with any kind of repair. Colin is thorough and patient. I would call him back in a heartbeat... it's great to know that I have found my HVAC person.”

- Biachi N.
“Honest and Fair”
“I would highly highly highly recommend Tech Air. They were extremely professional, honest and fair with their pricing. We will absolutely use them again and would highly recommend to others!”

- Marin M.

Rebates & Financing for Mini Split Installation

Qualifying homeowners may be eligible for federal tax credits for heat pump and mini split installations. Credit amounts, eligibility requirements, and program availability can change, so check with your tax advisor to confirm what applies to your situation.

State and utility rebates may also be available and can help offset installation costs. California and some Marin County utilities offer incentive programs for high-efficiency heat pump systems, and those programs can sometimes be combined. We maintain a dedicated incentives page with current details, and as a Mitsubishi Electric Diamond™ Elite Contractor, we can advise on which products in our lineup qualify under current programs. Financing is also available for clients who want to manage the upfront cost over time. Ask about both when you call us at (415) 909-3599 to request your free estimate.

What to Expect During Your Mini Split Installation

The process starts with a free on-site estimate. Our technician assesses your property to determine the right system type, number of zones, and equipment sizing. We’ll walk you through compatible Mitsubishi Electric products based on your comfort goals, budget, and property layout, so you know exactly what you’re getting before any work begins.

On installation day, our licensed technicians handle the full scope: mounting the indoor air handler, placing the outdoor condenser, drilling the line-set penetration through the exterior wall, running the refrigerant lines, and making all electrical connections. Our goal throughout is to minimize disruption to your home or business.

After installation, we test the system to confirm heating and cooling operation, refrigerant charge, and drainage are all functioning correctly. We can also handle system registration with Mitsubishi Electric (which must be completed within 90 days of installation to activate the 12-year warranty on qualifying Diamond Elite installs), so you don’t have to track that deadline yourself.

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Ductless Mini-Split Installation FAQ

Frequently Asked Questions

How often should I have my central air conditioner serviced?

Most experts recommend having your central air conditioner serviced at least once a year. Regular maintenance will help keep your system running efficiently and prevent expensive repairs down the road.
Why does my swamp cooler smell bad?

There can be a few reasons why your swamp cooler is smelling bad. One possibility is that the unit needs to be cleaned. If the evaporative cooler isn't cleaned regularly, dirt and dust can build up, which can cause the unit to smell bad. Another possibility is that the water reservoir needs to be emptied. If the water reservoir is full of algae or other contaminants, it can cause the unit to smell bad. Finally, if the air filters aren't replaced often enough, they can start to smell bad. Contact us today for more information about how to fix a smelly swamp cooler!
What are the benefits of a central air conditioner?

There are many benefits to having a central air conditioner, including improved home comfort, increased energy efficiency, and improved indoor air quality. Central air conditioners are also very quiet, so you won't even know they're there! Contact us today to learn more about the benefits of a central air conditioner.
How often should I have my central air conditioner serviced?

It's important to have your central air conditioner serviced at least once per year. This will help ensure that it is running properly and efficiently. Our team of experienced professionals offer comprehensive AC maintenance services that will keep your system running smoothly all summer long. Contact us today to schedule a consultation!
What is the difference between a central air conditioner and a ductless mini split air conditioner?

A central air conditioner is a single unit that is typically installed outdoors. A ductless mini split air conditioner is a two-part system that consists of an outdoor unit and an indoor unit. The outdoor unit pumps refrigerant to the indoor unit, which then blows cool air into your home. Ductless mini split systems are more efficient than central air conditioners because they don't lose any cool air through ductwork. Contact us today to learn more about the differences between these two types of air conditioners.
How do I know if my evaporative cooler is working properly?

There are a few signs that your evaporative cooler is not working properly. One sign is if the unit is not blowing any air. Another sign is if the unit is not cooling the air. Finally, if the unit is making strange noises, it could be a sign that something is wrong. If you notice any of these signs, contact us today for more information.
How long will the installation take?

The length of time required for installation will vary depending on the size of your home and the type of AC unit you choose. Our team will be able to give you a more accurate estimate after they have had a chance to assess your specific situation.
How much does it cost to install a central AC Unit?

The cost of installation will also vary depending on the size of your home and the type of AC unit you choose. Our team will be able to give you a more accurate estimate after they have had a chance to assess your specific situation.
Do you offer financing for AC installation?

Yes, we offer financing options for AC installation. We understand that the cost of a new AC unit can be a big investment, so we want to make it as easy and affordable as possible. Contact us today to learn more about our financing options.
Do you offer any discounts on AC installation?

We occasionally offer discounts on AC installation. Be sure to ask our team about any current promotions when you call to schedule your free consultation.
What is included in the price?

The price of installation includes the cost of the AC unit, labor, and any necessary permits or paperwork.
What type of warranty do you offer?

We offer a one-year warranty on all of our AC installation services. We want you to be completely satisfied with your new AC Unit so we stand behind our work.

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The Tech Air Difference

Keeping California Cool

A Certified & Trusted Team

Our Tech Air certified technicians are fully licensed, insured, and vetted.
Weekend Appointments

If weekdays don't work for you, no problem - we can see you on the weekend!
Offering 100% Free Quotes

Call or contact us today to set up a free estimate with our expert technicians.
Financing Options Available

Your AC doesn't consult your wallet before it breaks, so we offer a variety of options.