Updated: Aug 08, 2026
Location and Projects
Address
19010 135th St Ct E, Bonney Lake, WA, 98391
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Optimal HVAC LLC
Here at Optimal HVAC, it has been our pleasure to offer the highest level of home comfort for the Bonney Lake area for years. Our foundation consists of efficient, reliable and cost effective heating, air conditioning and indoor air quality products from Coleman.
Quality heating and cooling products are just where we begin. The technicians at Optimal HVAC are trained and equipped to handle anything from routine HVAC maintenance & repairs on a residential system to complete turnkey installations for commercial environments.
Optimal HVAC offers your family or business the best heating and cooling products and HVAC services, combined with a level of customer service that will exceed your expectations.
From BuildZoom: Optimal HVAC LLC, 19010 135th Ct E, Bonney Lake, WA (Employee: Derrek Zielinski) holds a Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) license and 1 other license according to the Tukwila license board.
Their BuildZoom score of 114 ranks in the top 2% of 128,670 Washington licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Optimal HVAC LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Optimal HVAC LLC Contact Information
Phone Number: (253) 347-6050
Address: 19010 135th St Ct E, Bonney Lake, WA 98391
Optimal HVAC LLC Bonney Lake
Quality
114
98th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Optimal HVAC LLC has a BuildZoom score of 114, which places them above 98% of 128,670 contractors in Washington.
Activity
|
15 projects
|
2025 |
|
31 projects
|
2024 |
|
49 projects
|
2023 |
Our building permit records indicate that Optimal HVAC LLC has worked on at least
95.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
92 projects
|
HVAC projects |
|
44 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Optimal HVAC LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
3 projects
|
< $5k |
|
41 projects
|
$5k-$20k |
|
3 projects
|
$20k-$50k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $10,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Optimal HVAC LLC Reviews
5 out of 5 stars, based on
1
review
-
By Alex O.October 2, 2017Ac repair$199
This is a sample of this contractor's permits. Click here to access their complete permit history.
Mechanical a (single family residential) (repair or replacement) project involving 2 total number of appliances being added or altered single family dwelling 1 furnace 1 air conditioner
Valuation:
N/A
Permit #:
MEC25-0198
Status:
final
Fee:
$69
Permit Type:
N/A
Building Type:
N/A
(1) evaporative cooler + (1) other - 2021 imc - building a pre-fabricated walk-in cooler. condenser will be in the parking garage. evaporator will be inside the box
Valuation:
$17,000
Permit #:
MECH-2025-01487
Status:
final
Fee:
$405
Permit Type:
N/A
Building Type:
N/A
Project name: kenmore elementary - pre-fabricated walk-in cooler 2018
Valuation:
N/A
Permit #:
MEC25-0274
Status:
final
Fee:
$885
Permit Type:
N/A
Building Type:
N/A
Akhondi residence-construction of 3373 sq ft 2 story single family residence with 1197 sq ft attached garage and 1302 sq ft deck
Valuation:
$665,544
Permit #:
B23001136
Status:
expired
Fee:
$32,681
Permit Type:
N/A
Building Type:
N/A
St vincent de paul 14 seers air conditioning gas replacement replacing like for like 14 seers air conditioning gas package unit
Valuation:
N/A
Permit #:
MEC25-0110
Status:
expired
Fee:
$177
Permit Type:
N/A
Building Type:
N/A
Mechanical a (single family residential) (repair or replacement) project involving 1 total number of appliances being added or altered single family dwelling 1 air conditioner
Valuation:
N/A
Permit #:
MEC23-0174
Status:
issued
Fee:
$51
Permit Type:
N/A
Building Type:
N/A
Mechanical a (single family condominium unit) (repair or replacement) project involving 2 total number of appliances being added or altered 1 furnace 1 air conditioner
Valuation:
N/A
Permit #:
MEC23-0173
Status:
issued
Fee:
$64
Permit Type:
N/A
Building Type:
N/A
A single family residential new structure none project involving (1 stove or cooktop 1 barbecue 1 logs 5 bathroom fan 1 laundry fan 1 kitchen fan 1 whole house fan 1 furnace 100, 001 btu to 399, 000 btu 1 heat pump )
Valuation:
N/A
Permit #:
21 108200 BK
Status:
final
Fee:
$459
Permit Type:
N/A
Building Type:
N/A
Type: mechanical non residential class: new structure, , aegis kirkland (re: bmu18-07011): building pre-fabricated walk in cooler will include (2) compressors and (2) condensers, , project: aegis living - lake street south
Valuation:
N/A
Permit #:
MNR20-05664
Status:
final
Fee:
$296
Permit Type:
N/A
Building Type:
N/A
Mechanical, a (single family residential) (alteration) project involving 1 total number of appliances being added or altered single family dwelling 1 air conditioner
Valuation:
N/A
Permit #:
MEC21-0543
Status:
issued
Fee:
$49
Permit Type:
N/A
Building Type:
N/A
Ray adding air conditioning to residential home refrigeration line set size is 3/8x3/4x1/2x50
Valuation:
$9,582
Permit #:
7089343-RF
Status:
issued
Fee:
$130
Permit Type:
N/A
Building Type:
Single family/duplex
Replacing roof top unit like for like btu (gas)
Valuation:
N/A
Permit #:
BLD2025-0149
Status:
issued
Fee:
$117
Permit Type:
N/A
Building Type:
Online-commercial...
Project name: repair/replacement single family residence - furnace 100 00btu or less
Valuation:
N/A
Permit #:
MEC23-0701
Status:
issued
Fee:
$325
Permit Type:
N/A
Building Type:
N/A
Perez mechanical, a (single family residential) (repair or replacement) project involving 1 air conditioner
Valuation:
N/A
Permit #:
MEC23-00136
Status:
expired
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Replacing like for like gas furnace
Valuation:
$7,988
Permit #:
MECHR25-0286
Status:
canceled
Fee:
$251
Permit Type:
N/A
Building Type:
N/A
Type: mechanical multifamily class: replacement, , pho: installing a ductless heat pump. the unit will be hung on the building located on the back patio
Valuation:
N/A
Permit #:
MMF23-06372
Status:
final
Fee:
$356
Permit Type:
N/A
Building Type:
N/A
Replacing like for like gas furnace
Valuation:
N/A
Permit #:
EXM-25-21
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Keystone hp2 installing one to one ductless heat pump. refrigeration 5/8 insulated copper line set
Valuation:
$8,000
Permit #:
7049818-RF
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
Multifamily
Jerk shake midtown building a pre fabricated combo box freezer and walk in cooler
Valuation:
$8,000
Permit #:
6950959-RF
Status:
complete
Fee:
$105
Permit Type:
N/A
Building Type:
Commercial
We will be installing the walk-in cooler (and corresponding split system) blast chiller and refrigeration lines. 24-118389 bl: kitchen type i hood pcu makeup air & general exhaust. 24-110836 bl: l5 tenant improvement (remainder of floor - exception kitchen) building permit number: 24-105137
Valuation:
N/A
Permit #:
24 120064 BL
Status:
final
Fee:
$2,212
Permit Type:
N/A
Building Type:
N/A
Recent Buildzoom Projects
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Verified License
BuildZoom confirmed this contractor's license
Optimal HVAC LLC License info
Verified License
| License # | OPTIMHL833CC |
| Status | Active |
| City | Tukwila |
| Type | Construction Contractor, Heating/Vent/Air Conditioning And Refrig (Hvac/R) |
| Class | Limited Liability Company |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Optimal HVAC LLC at the The City of Tukwila, WA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | OPTIMHL833CC |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
| Business Type | Limited Liability Company |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Optimal HVAC LLC at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
114
BuildZoom Score
Insured
| Insurer | Contractors Bonding & Insuranc |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Contractors Bonding & Insurance Co |
| Bond Value | $6,000 |
246
Permits
- Building permit records show that Optimal HVAC LLC has worked on 246 permitted projects.
Optimal HVAC LLC Employees
DZ
Derrek Zielinski
Partner/Member
It was a great experience from start to finish. They were very kind and informative. Not only did they fix my air conditioner but they also explained what when wrong and how to prevent it in the future. I highly recommend using this company!