Replace/Install
$400 – $2,120
Within typical · area $101 – $1,100
Raises the price
4- C-wire installation needed+$400 to $500
- Multi-zone system+$2,000 to $2,120
- Upgrade from basic to smart+$400 to $900
- Wiring changes required+$400 to $1,600
HVAC
Thermostat and Smart Controls in Greater Phoenix Area
Deer Valley Plumbing & Air Conditioning
Get expert help setting up and optimizing your smart thermostat and HVAC controls. Since 1989, our licensed, BBB accredited team has helped Phoenix homeowners save energy and stay comfortable. We serve the Greater Phoenix Area, including Phoenix, Scottsdale, and Glendale. Backed by a 4.8 rating from 1,342 reviews, we deliver clear recommendations and careful installs. Ask about our Smart Bucks Club for priority service and discounts. Call or schedule online today.
Why Choose Us
Licensed and accredited
AZROC 083357, 259942, C-39 355345. BBB Accredited.
Trusted since 1989
Serving Valley homeowners and businesses since 1989.
Proven customer reviews
4.8 rating from 1,342 reviews.
Upfront, clear pricing
Estimates approved before work begins.
Smart Bucks Club perks
Priority scheduling and discounts from $7 per month.
Pricing · Thermostat and Smart Controls
What you can expect to pay
Thermostat and Smart Controls jobs cost $50 to $2,120, depending on the work. Each job type is broken down below.
Repair
$50 – $2,120
Within typical · area $51 – $900
Project gallery
Thermostat and Smart Controls projects
(view full-size photo)Deer Valley Plumbing & Air Conditioning helps homeowners stay comfortable with a simple thermostat adjustment that puts control within reach.
Phoenix, AZ
Reviews
What Our Customers Say
Customers mention
- quality1
- professionalism1
- speed1
Based on the reviews shown here.
He installed my new Sensi smart thermostat and stayed while I set it up.
Phoenix homeownerVery kind, dedicated, and fixed several issues with my A/C.
Phoenix homeownerBest service ever.
Phoenix homeowner
Why Is My Smart Thermostat Not Connecting to Wi-Fi?
Most smart thermostat Wi‑Fi issues come from weak signal, a wrong password, or 2.4 GHz vs. 5 GHz compatibility. Power or wiring problems can also block pairing. We install, maintain, and repair thermostat and smart controls, and provide on‑site diagnostics in the Phoenix area.
Quick checks:
- Reboot router and thermostat; wait 2 minutes.
- Verify SSID and password exactly.
- Use the 2.4 GHz band during setup.
- Turn off VPNs and cellular data while pairing.
- Move the router closer or use a Wi‑Fi extender.
- Confirm the thermostat has power and correct wiring.
Updated: 2025-12-31 00:00:00
Need help in New River, AZ? Call (602) 899-0899 or book online.
How much does it cost to rewire a thermostat professionally?
Professional thermostat rewiring cost varies by home and scope, and we confirm pricing after an on-site diagnosis. Our $89 HVAC Tune-Up Diagnostic applies and is waived with service. Pricing depends on wire run length, accessibility, and whether a new C‑wire or thermostat relocation is needed. If you’re upgrading to a smart thermostat, SRP rebates up to $100 or an APS $30 bill credit may offset eligible device costs, not wiring labor. We provide upfront pricing before work begins in Phoenix and nearby cities.
Updated: 2025-12-31 00:00:00
Need help in New River, AZ? Call (602) 899-0899 or book online.
How much does it cost to replace a thermostat professionally?
There isn’t a single price; professional thermostat replacement cost depends on the thermostat type (standard vs. smart), wiring condition, and your HVAC setup. We perform on-site diagnostics, explain options upfront, and apply an $89 HVAC Tune-Up Diagnostic that is waived with service. Eligible rebates can lower your net cost, including SRP smart thermostat rebates up to $100 and an APS $30 bill credit. APS also offers a $50 rebate for qualifying home energy monitors. We serve Phoenix and surrounding cities.
Updated: 2025-12-31
Need help in New River, AZ? Call (602) 899-0899 or book online.
Can I replace my thermostat myself without professional help?
You can replace a thermostat yourself in simple, like-for-like cases, but we recommend a pro to verify wiring, system compatibility, and setup. Our technicians handle installation, maintenance, and repairs, then walk you through your options before work begins. Qualifying models may earn SRP rebates up to $100 or an APS $30 bill credit. We serve Phoenix, Scottsdale, and nearby cities.
Quick checks:
- Shut off HVAC power.
- Label each wire before removal.
- Confirm a C‑wire and heat pump/staging needs.
Updated: 2025-12-31
Need help in New River, AZ? Call (602) 899-0899 or book online.
"I'm very impressed with his kindness, dedication and ability to fix several issues." — Matt H.
Can I repair a thermostat myself or should I hire a professional?
You can DIY simple thermostat fixes, but hire a professional for wiring issues, control board faults, or recurring errors. Deer Valley Plumbing & Air Conditioning provides thermostat installation, maintenance, and repair with on-site diagnostics. In Phoenix-area homes, our $89 HVAC Tune-Up Diagnostic includes a Next Day Guarantee, and the diagnostic charge is waived with service. If you upgrade to a qualifying smart thermostat, you may be eligible for utility incentives (SRP up to $100; APS $30 bill credit).
Quick checks:
- Replace batteries and check breakers.
- Verify mode, setpoint, and schedule.
- Clean dust from the thermostat.
- For smart models, reconnect Wi‑Fi and update the app.
Updated: 2025-12-31
Need help in Phoenix, AZ? Call (602) 899-0899 or book online.
We serve the Greater Phoenix Area, including Phoenix, Scottsdale, and Glendale. See the full list of communities we visit below.
Service area
Where We Work
22cities
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