The Hero In Your Homes Story
Reliable Heating, Cooling & Plumbing for Homes On Time Every Time
Residential specialists providing plumbing, heating, and air conditioning repairs, installs, and maintenance — on call 24/7.
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Fast, Reliable Plumbing & HVAC Day or Night
Service You Can Trust Every Time
24/7 Service
Trusted Technicians
Exceptional Customer Service
Plumbing
Expert plumbing done by the book — from leaks to full installations, we handle it all with precision and care.
Heating
Fast, reliable heating for any need — repairs, maintenance, or installs, done right the first time.
By The Book
PLUMBING & HVAC EXPERTS IN SOUTHERN CALIFORNIA
Serving San Diego County and Temecula, we’re your local, code-correct plumbing, heating, and air pros fast response, upfront pricing, and work done right the first time, every time.
From fast plumbing repairs
and clean installations to dependable A/C & heating service, trenchless sewer repair & drain cleaning, and indoor air quality/duct cleaning, we follow proven, manufacturer-approved procedures so your home gets lasting results—not temporary fixes.
Customer Reviews
See Why Homeowners Trust us For Plumbing and HVAC service
4.9
74 Reviews
A+
4.9
28 Reviews
66 Reviews
4.9
66 Reviews
4.9
Aaden Branson
2025-10-13
2AM toilet overflow nightmare! Their emergency crew contained the flood and replaced the flange before sunrise.
Marco Neveah
2025-10-11
Complete bathroom overhaul included structural repairs, new fixtures, and waterproofing - all permit-perfect.
Wesley Bryant
2025-10-08
From the first call to the finished repair, everything was smooth and professional. The technician arrived early, was very respectful of our home, and got the heating system working again fast. It’s rare to find this level of service anymore.
Victor Hammond
2025-10-08
If you want honest service with zero pressure, this is the company to call. They didn’t try to upsell me or push unnecessary repairs. Just straightforward help and great results. I’ll be referring them to friends and family for sure.
Ulysses Graham
2025-10-08
Our central air unit wasn’t cooling properly, and I was worried about how long repairs would take. But they came out the next day and had it fixed within hours. The technician even gave me tips to maintain the unit better. Very impressed.
Service Area
Get Help From the Best Plumbers in San Diego, CA
Our team proudly serves homeowners across San Diego County and Temecula, delivering fast response times, upfront pricing, and work that’s done right the first time. From emergency plumbing and water heater repairs to heating and air conditioning service, we handle it all with honesty, efficiency, and expert workmanship — keeping your home comfortable and worry-free year-round.
Select the location closest to you for priority service
THE BY THE BOOK PROMISE
Day or night, weekends or holidays—if it’s urgent, we’ll be there.
No surprises or hidden fees. You’ll always know exactly what to expect before we start.
Our team arrives on time, fully equipped, and ready to get your home back to normal—fast.
We don’t leave until you’re happy. Every service is backed by our commitment to excellence.
24/7 Emergency Plumbing, Heating & Air
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We're the hero in your story
Same-day service and lasting results
done right the first time
Company & Contact
Phone: (866) 298-4326
Email: Service@bythebookpha.com
Address: 9528 Miramar Rd, Suite #4, San Diego, CA 92126
Plumbing License: blank
HVAC License: blank
We're the hero in your story
Same-day service and lasting results
done right the first time
Company & Contact
Phone: (866) 298-4326
Email: Service@bythebookpha.com
Address: 9528 Miramar Rd, Suite #4, San Diego, CA 92126
Plumbing License: blank
HVAC License: blank
© BY THE BOOK Plumbing • Heating • Air
We're the hero in your story
Same-day service and lasting results
done right the first time
Company & Contact
Phone: (866) 298-4326
Email: Service@bythebookpha.com
Address: 1110 Hancock St, San Diego, CA 92110
Plumbing License: 1078955 C-36
HVAC License: G20