The Same Day Way For AC Installation and Replacement

You and your family’s satisfaction are number one to Same Day. That’s why we aim to install or replace your AC unit quickly AND efficiently. We will analyze your current usage patterns and SEER rating to determine the right investment for your home and budget. We install central AC units, ductless split systems, and wall units. We always offer FREE estimates and second opinions. Want an idea of how much a new central air unit will save you? Check out our BTU calculator!

BTU Calculator

Home Room

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Ava, Del Mar
Star Star Star Star Star

Erick was able to run a diagnostic on our system and confirm that nothing was wrong. He made some recommendations for maintenance to keep things running smoothly as well. Truly great customer service!

Ethan, East Village
Star Star Star Star Star

These guys were quick, professional, and they offer an amazing financing plan that will help you with your HVAC needs! Jamie and his team cleaned up afterwards too!

Grace, El Cajon
Star Star Star Star Star

The company itself has been great about calling to schedule the regular appointments included with my maintenance plan. I appreciate this so much. I highly recommend Same Day Heating & Air Conditioning.


The Same Day Guarantee For AC Your AC Installation & Replacement

Quality AC Service Before & After The Install

After your AC installation, we perform a mandatory quality check within 48 hours afterward. We determine which model is right for you based on your home size, type and usage patterns. Because you need more than a technician. You need expertise you can trust.

Satisfaction Guaranteed

We want to make sure we’ve done everything right. Even though we offer a 24-month warranty, we schedule a complimentary tune-up four months after installation. We’ll also purchase the manufacturer’s warranty on behalf of our customers for additional coverage and flexibility.

How Much Does AC Installation & Replacement Cost?

The biggest cost factors are home size and your choice of efficiency (SEER) Rating. It isn’t always in your best interest to purchase the highest SEER unit possible based on your home and budget – we will give the right suggestion based on your budget and home factors. The age and structure of your duct system can also be a major factor. Leaky ducts can mitigate any energy efficiency gained with a new unit.

Bundle Air Purification
with a New System & SAVE!

Get a system installed and SAVE on a package deal with our air purification systems.

Learn More! At this time, this product’s technology has not been tested against COVID-19. It has been tested for, and is proven to reduce by more than 90%: flu virus, e.coli, MRSA, strep, staph, and black mold.

Why Choose Same Day Heating & Air Conditioning for AC Installation and Replacement?

Family-owned Same Day Heating and Cooling offers fast, reliable central air installation and replacement in San Diego County at a price you can afford. Our promise to you is always that if we do not fix your system the SAME DAY we arrive, you don’t pay the service fee. Our home service experts are licensed and insured with more than 100 years of staff experience. Additionally, we pack all of our repair, installation, and replacement services with a 24-month, 100% satisfaction guarantee. Call us. And see why we’re different.