Residential Plumbing & HVAC Experts

Oldest Furnace Contest

Out with theReally Old & In with the New!

Sherlock Plumbing, Heating & Air is searching for the oldest working gas furnace in San Diego County for our OLDEST FURNACE CONTEST! If your dinosaur of a heating system from the Stone Age is the oldest one that we unearth in our search, you'll win a BRAND NEW FURNACE! It’s our way of saying thank you to everyone in Carlsbad and San Diego County for making us your favorite HVAC and plumbing company for so many years.

In this contest, everyone wins! ALL ENTRANTS, regardless of furnace age, will receive one of the following Prize Packages when they move forward with the purchase and installation of a new furnace:

  • Safety Package: 1 Nest Protect CO2/smoke detector + 1 Nest Indoor Security Camera (Retail Value of $500)
  • Healthy Package: 1 Germicidal UV Light + 1" Air Filter (Retail Value of $500)
  • Vacation Package: 1 voucher to be redeemed for vacation accommodations or cruise. Worth up to $1,500

All entrants are eligible for a complimentary system safety check.

PLUS: The top 5 entrants will receive a complimentary 1 year membership in our VIP Comfort Club.

ENTER TODAY to see if you can win a new furnace or an incredible prize package! Don’t wait! This offer becomes extinct Friday, November 29th, 2019 at 3:00 PM PST.

If you have any questions about the Oldest Furnace Contest, be sure to contact us at

See FULL CONTEST RULES for details.


(* All prizes to be awarded upon completion of contest. Some restrictions apply. Please view the full contest rules for more information.)

Top Rated Customer Reviews

We are proud of the stellar feedback!
  • Been using Sherlock for a couple years.

    “Super friendly, informative, timely, and put on shoe protectors whenever they came in the house!”

    - Sarah E.
  • The guy who came out could not possibly have been nicer.

    “ Sherlock is very communicative about the process, are willing to help at any point.”

    - Hi D.
  • If my wife and I could give 6 stars we would!

    “I was impressed by their work ethic, diligence, and meticulousness throughout the whole process.”

    - Nathan R.
  • FINALLY an AC & heating business I can trust!!!

    “They are so kind, meticulous, honest, informative, trustworthy and the list goes on.”

    - Tanya S.
  • The install crew was friendly, knowledgeable and speedy.

    “Sherlock's service and professionalism has been outstanding.”

    - Brian G.

Unmatched Customer Service 

The Sherlock Difference
  • Satisfaction Guaranteed

    We always put our customers first and stand behind our work. If you are ever unhappy with our work, we guarantee we'll make it right.

  • Professional & Well Trained Technicians

    Each member of our service and repair team are licensed and fully trained. You can rest easy knowing a professional is working on your home systems.

  • Service Agreements

    Our VIP Comfort Club offers members, priority, first-in-line service along with annual benefits and savings.

  • Custom Tailored Solutions

    Our expert team of plumbers and HVAC technicians will analyze the entire problem and provide you with solutions with no hidden fees.