Harry Clark Plumbing and Heating Inc
Oakland, CA HVAC · #4 of 4 · 74+ yrs
At a glance
- Google rating
- 4.7★ from 80+ reviews
- In business
- 74+ years
- Service area
- Oakland, CA + 3 nearby
- Phone
- +1-510-444-1776
Harry Clark Plumbing and Heating Inc as a HVAC provider
Oakland, CA HVAC · #4 of 4 · 74+ yrs
Heating and air conditioning service focused on Oakland and Berkeley homeowners. Company history notes operation since 1952, about 70+ years. Website lists licensed California plumbing and HVAC contractor status. Location on Broadway ties operations to older Oakland housing stock and retrofit opportunities. Family ownership and multi-generation staff are emphasized throughout company history.
Heating and air conditioning service serving Oakland and Berkeley neighborhoods. Company history notes operation since 1952, about 70+ years. Family ownership appears across multiple generations on the company site. Website lists a California plumbing contractor license for the firm.
Oakland, CA HVAC average is 79/100. Ranks #4 of 4 listed HVAC providers in Oakland, CA.
| Signal | Harry Clark Plumbing and Heat… | Oakland avg | Delta |
|---|---|---|---|
| Vouched Score | 69/100 | 78/100 | -10 vs avg |
| Google rating | 4.7★ | 4.9★ | -0.2 vs avg |
| Review volume | 80+ | 150+ | -70 vs avg |
| Years in business | 74+ | 32+ | +42 vs avg |
- High Google rating (4.7★ across 80+ reviews)
- Long-established (74+ years in business)
- You prefer a family-owned operation
- You value a long-tenured local operator (74+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Harry Clark Plumbing and Heating Inc (this company) |
69/100 | 4.7★ (80+) | 74+ | — | — | — |
| 83/100 | 4.9★ (115+) | 22+ | — | — | Best for AC Repair Best for Furnace Repair Best for Emergency / 24-Hour Service |
|
| 82/100 | 4.9★ (255+) | 16+ | — | — | Best for New System Installation Best for Heat Pumps Best for Indoor Air Quality |
|
| 80/100 | 4.9★ (145+) | 15+ | — | — | Best for Ductwork & Sealing |
Harry Clark Plumbing and Heating Inc as a AC Replacement provider
Oakland, CA AC Replacement · #3 of 3 · 74+ yrs
Heating and air conditioning service focused on Oakland and Berkeley homeowners. Company history notes operation since 1952, about 70+ years. Website lists licensed California plumbing and HVAC contractor status. Location on Broadway ties operations to older Oakland housing stock and retrofit opportunities. Family ownership and multi-generation staff are emphasized throughout company history.
Heating and air conditioning service serving Oakland and Berkeley neighborhoods. Company history notes operation since 1952, about 70+ years. Family ownership appears across multiple generations on the company site. Website lists a California plumbing contractor license for the firm.
Oakland, CA AC Replacement average is 76/100. Ranks #3 of 3 listed AC Replacement providers in Oakland, CA.
| Signal | Harry Clark Plumbing and Heat… | Oakland avg | Delta |
|---|---|---|---|
| Vouched Score | 69/100 | 76/100 | -7 vs avg |
| Google rating | 4.7★ | 4.8★ | -0.1 vs avg |
| Review volume | 80+ | 150+ | -71 vs avg |
| Years in business | 74+ | 37+ | +37 vs avg |
- High Google rating (4.7★ across 80+ reviews)
- Long-established (74+ years in business)
- You prefer a family-owned operation
- You value a long-tenured local operator (74+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Harry Clark Plumbing and Heating Inc (this company) |
69/100 | 4.7★ (80+) | 74+ | — | — | — |
| 83/100 | 4.9★ (255+) | 16+ | — | — | — | |
| 75/100 | 4.9★ (115+) | 22+ | — | — | Best for Honest Replace-vs-Repair Best for High-Efficiency Upgrades |
Harry Clark Plumbing and Heating Inc as a Furnace Repair provider
Oakland, CA Furnace Repair · #5 of 5 · 74+ yrs
Heating and air conditioning service focused on Oakland and Berkeley homeowners. Company history notes operation since 1952, about 70+ years. Website lists licensed California plumbing and HVAC contractor status. Location on Broadway ties operations to older Oakland housing stock and retrofit opportunities. Family ownership and multi-generation staff are emphasized throughout company history.
Heating and air conditioning service serving Oakland and Berkeley neighborhoods. Company history notes operation since 1952, about 70+ years. Family ownership appears across multiple generations on the company site. Website lists a California plumbing contractor license for the firm.
Oakland, CA Furnace Repair average is 76/100. Ranks #5 of 5 listed Furnace Repair providers in Oakland, CA.
| Signal | Harry Clark Plumbing and Heat… | Oakland avg | Delta |
|---|---|---|---|
| Vouched Score | 69/100 | 76/100 | -7 vs avg |
| Google rating | 4.7★ | 4.8★ | -0.1 vs avg |
| Review volume | 80+ | 165+ | -89 vs avg |
| Years in business | 74+ | 27+ | +47 vs avg |
- High Google rating (4.7★ across 80+ reviews)
- Long-established (74+ years in business)
- You prefer a family-owned operation
- You value a long-tenured local operator (74+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Harry Clark Plumbing and Heating Inc (this company) |
69/100 | 4.7★ (80+) | 74+ | — | — | — |
| 81/100 | 4.9★ (255+) | 16+ | — | — | — | |
| 77/100 | 4.9★ (145+) | 15+ | — | — | Best for Combustion-Safety Diagnosis Best for Heat-Exchanger Replacement Best for Igniter & Flame-Sensor Repair |
|
| 76/100 | 4.7★ (245+) | 10+ | — | — | — |
Harry Clark Plumbing and Heating Inc as a Furnace Replacement provider
Oakland, CA Furnace Replacement · #5 of 5 · 74+ yrs
Heating and air conditioning service focused on Oakland and Berkeley homeowners. Company history notes operation since 1952, about 70+ years. Website lists licensed California plumbing and HVAC contractor status. Location on Broadway ties operations to older Oakland housing stock and retrofit opportunities. Family ownership and multi-generation staff are emphasized throughout company history.
Heating and air conditioning service serving Oakland and Berkeley neighborhoods. Company history notes operation since 1952, about 70+ years. Family ownership appears across multiple generations on the company site. Website lists a California plumbing contractor license for the firm.
Oakland, CA Furnace Replacement average is 76/100. Ranks #5 of 5 listed Furnace Replacement providers in Oakland, CA.
| Signal | Harry Clark Plumbing and Heat… | Oakland avg | Delta |
|---|---|---|---|
| Vouched Score | 69/100 | 76/100 | -7 vs avg |
| Google rating | 4.7★ | 4.8★ | -0.1 vs avg |
| Review volume | 80+ | 165+ | -89 vs avg |
| Years in business | 74+ | 27+ | +47 vs avg |
- High Google rating (4.7★ across 80+ reviews)
- Long-established (74+ years in business)
- You prefer a family-owned operation
- You value a long-tenured local operator (74+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Harry Clark Plumbing and Heating Inc (this company) |
69/100 | 4.7★ (80+) | 74+ | — | — | — |
| 82/100 | 4.9★ (255+) | 16+ | — | — | — | |
| 79/100 | 4.9★ (145+) | 15+ | — | — | Best for Combustion-Safe Installation | |
| 76/100 | 4.7★ (245+) | 10+ | — | — | — |
Harry Clark Plumbing and Heating Inc as a Heat Pump Installation provider
Oakland, CA Heat Pump Installation · #5 of 5 · 74+ yrs
Heating and air conditioning service focused on Oakland and Berkeley homeowners. Company history notes operation since 1952, about 70+ years. Website lists licensed California plumbing and HVAC contractor status. Location on Broadway ties operations to older Oakland housing stock and retrofit opportunities. Family ownership and multi-generation staff are emphasized throughout company history.
Heating and air conditioning service serving Oakland and Berkeley neighborhoods. Company history notes operation since 1952, about 70+ years. Family ownership appears across multiple generations on the company site. Website lists a California plumbing contractor license for the firm.
Oakland, CA Heat Pump Installation average is 77/100. Ranks #5 of 5 listed Heat Pump Installation providers in Oakland, CA.
| Signal | Harry Clark Plumbing and Heat… | Oakland avg | Delta |
|---|---|---|---|
| Vouched Score | 69/100 | 77/100 | -8 vs avg |
| Google rating | 4.7★ | 4.8★ | -0.1 vs avg |
| Review volume | 80+ | 165+ | -89 vs avg |
| Years in business | 74+ | 27+ | +47 vs avg |
- High Google rating (4.7★ across 80+ reviews)
- Long-established (74+ years in business)
- You prefer a family-owned operation
- You value a long-tenured local operator (74+ years in business)
- You want a BBB-rated firm specifically
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Harry Clark Plumbing and Heating Inc (this company) |
69/100 | 4.7★ (80+) | 74+ | — | — | — |
| 88/100 | 4.9★ (255+) | 16+ | — | — | — | |
| 78/100 | 4.9★ (145+) | 15+ | — | — | — | |
| 76/100 | 4.7★ (245+) | 10+ | — | — | — |
Service area
Oakland, CA home · Replacement Oakland, CA 2 mi · Pump Install Oakland, CA 2 mi · Repair Oakland, CA 2 mi
Guarantees & credentials
- Licensed
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
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Profile last updated July 19, 2026.