--:-- Licensed HVAC Contractor · CSLB C-20 #1044922
☀Santa Clarita --°F☀Irvine, OC --°F
$25 off when you book online · Senior & Military discounts

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Serving Santa Clarita + 20 miles and Orange County from Tustin to San Clemente

Rooftop Package Unit Installation in Santa Clarita & Surrounding Areas

Package unit and gas pack replacement for homes and light commercial buildings.

What we offer

What is included

01

Load calculation and sizing

02

Curb adapter and roof connection

03

Gas, electrical and condensate hookup

04

Duct connection and sealing

05

Permit and inspection

06

Startup and performance test

Before you call

Quick checks you can do yourself

  1. Set the thermostat to Cool, a few degrees below room temperature, and replace its batteries if it uses them.
  2. Replace the air filter if it looks gray or clogged.
  3. Check the AC breaker in the panel and the disconnect next to the outdoor unit (reset a tripped breaker once only).
  4. Clear leaves, plants and boxes about 2 feet around the outdoor unit.
  5. If you see ice on the lines, switch the system to Off and the fan to On until it melts, then call.

Still not working? Call (323) 240-2373 or tap "Call me back". Do not open electrical panels or touch gas parts.

Rooftop Package Unit Installation in Santa Clarita & Orange County

WY&G, Inc. provides rooftop package unit installation for homes and light commercial buildings in Santa Clarita, Valencia, Saugus, Canyon Country, Newhall, Stevenson Ranch, Castaic and the north San Fernando Valley, and across Orange County from Tustin and Irvine to San Clemente. New rooftop and ground package units and gas packs, sized, permitted and installed. Every visit starts with a diagnostic and a written price, and our licensed technicians (CSLB C-20 #1044922) explain what they found in plain language.

Rooftop Package Unit Installation by city

Stages

Rooftop Package Unit Installation: how installation works, step by step

Simple, clear and on your schedule.

Submit a request

Stage 1

01

Request

Free in-home consultation: we look at the home, the ducts and how you use each room.

Stage 2

02

On-site visit

Load calculation and a written proposal with options, not a guess by square footage.

Stage 3

03

Written estimate

You choose the system. We order equipment and pull the permit.

Stage 4

04

Service

Installation by our own crew, clean and to code, usually in one to two days.

Stage 5

05

Support

Startup, testing, city or county inspection and a walkthrough of the new system.

Tip

When it makes sense to upgrade

Unit over 15 to 20 years old

Rust, repeated repairs and rising bills point to replacement.

Roof leaks at the unit

Old curbs and seals fail. A new install fixes the connection.

Want a heat pump package

Electric heat pump packages can replace gas packs.

Commercial roof

Light commercial rooftop units, permitted and inspected.

Pro tip

A new package unit on an old curb leaks. We check the curb and use a proper adapter when the size changes.

Reviews

Reviews from our customers

M
Muhammad Kamran A.

WY&G is very reliable and professional. They were assigned by the warranty company and did excellent work. Same day fixed the problem and finished the work. Strongly recommends WY&G Inc for all AC repair or regular maintenance work for HVAC.

Canyon Country, CA
N
Nadin P.

We’re very happy with WY&G services. We had our old heater & AC replaced in our unit. The tech guys are professional and provide high quality services. Definitely recommend if you want to upgrade your system. The crew worked smoothly and cleaned up after work.

Studio City, CA
P
Phil L.

I don’t have enough good things to say about WY&G. They are professional, fast, and do quality work. I had a lengthy issue that required working with a home warranty and manufacturer’s warranty that WY&G was able to help me resolve. They are great with communicating and always called me back promptly. I will definitely be using them again.

Sherman Oaks, CA

All reviews

FAQ

Frequently asked questions

Do you need a crane?+

Sometimes. We tell you in the quote.

Do you install gas packs?+

Yes, gas packs and heat pump package units.

Do you pull permits?+

Yes, every time.

How long does it take?+

Usually one day.

Licensed, insured C-20 HVAC contractor

All major brands

Our own team, no middlemen

Written price before work begins

Help with home warranty claims

Support after every repair and install

Consultation

Get a free quote and consultation

Send a quick request and we will call you back fast.

  • A clear written estimate
  • Help choosing the right system
  • Straight answers to your questions
Call me back in 30 sec

Mon-Sat 8 AM to 6 PM our assistant calls right away. After hours, the office calls you in the morning.

No pressure. No hidden conditions.
WY&G Mercedes Sprinter service van
Call me back in 30 sec
Call me back in 30 sec

Mon-Sat 8 AM to 6 PM our assistant calls right away. After hours, the office calls you in the morning.

(323) 240-2373