True Knowledge hvac services LLC
443-695-8552
3913 Duvall ave ,apt E ,21216 ,Baltimore Baltimore maryland 3913 US
5.00
17
What our clients say about us
True Knowledge hvac services LLC
5
5
1
Matthew Zando
2026-06-01T23:27:06.121Z
Keith at True Knowledge was absolutely amazing. I was in a tight bind with my HVAC/AC unit and Keith came through for me. He was super responsive and eager to find a solution to fix our unit. He got the parts quickly and came back out to fix the unit ASAP. I highly recommend using True Knowledge for people out there who need service. I will only be using him in the future.
Jun 01, 2026
Keith at True Knowledge was absolutely amazing. I was in a tight bind with my HVAC/AC unit and Keith came through for me. He was super responsive and ... More
MZMatthew Zando
True Knowledge hvac services LLC
5
5
1
Anthony Smart
2026-01-13T14:02:12.158Z
True Knowledge HVAC Services did a solid job fixing our fireplace. Fireplace Insert Repair was completed efficiently, with tidy work and clear explanations. We’re very pleased with the warmth and reliability now. 😊🔥
Jan 13, 2026
True Knowledge HVAC Services did a solid job fixing our fireplace. Fireplace Insert Repair was completed efficiently, with tidy work and clear explana... More
ASAnthony Smart
True Knowledge hvac services LLC
5
5
1
Victor Palestina
2025-12-15T14:19:16.691Z
Very pleased with True Knowledge HVAC Services today. Furnace Ignition Repair was handled quickly and professionally, and the system now starts reliably. The technician arrived on time, explained options clearly, and left no mess. Great pricing and friendly service. 🔧👍
Dec 15, 2025
Very pleased with True Knowledge HVAC Services today. Furnace Ignition Repair was handled quickly and professionally, and the system now starts reliab... More
VPVictor Palestina
True Knowledge hvac services LLC
5
5
1
Judith Brown
2025-12-10T13:54:00.387Z
Very pleased with the HVAC Thermostat Replacement today. They installed a smart thermostat, explained options in plain terms, and tested zones for even comfort. The crew arrived on time, was tidy, and pricing fair. Would hire again. 👍❄️
Dec 10, 2025
Very pleased with the HVAC Thermostat Replacement today. They installed a smart thermostat, explained options in plain terms, and tested zones for eve... More
JBJudith Brown
True Knowledge hvac services LLC
5
5
1
Gream Foster
2025-12-05T12:53:15.263Z
Very pleased with the service. For HVAC Thermostat Replacement, they explained options clearly, installed a smart thermostat, and tested zones for even comfort. The crew was punctual, tidy, and pricing fair. Would hire again. 🔧❄️👍
Dec 05, 2025
Very pleased with the service. For HVAC Thermostat Replacement, they explained options clearly, installed a smart thermostat, and tested zones for eve... More
GFGream Foster
True Knowledge hvac services LLC
5
5
1
Lucienne Quiroga
2025-12-05T02:46:31.600Z
Very pleased with the service. For HVAC Thermostat Replacement, they explained options clearly, installed a smart thermostat, and tested every zone for even comfort. The crew was punctual, tidy, and friendly, with fair pricing. Would hire again. 👍😊
Dec 05, 2025
Very pleased with the service. For HVAC Thermostat Replacement, they explained options clearly, installed a smart thermostat, and tested every zone fo... More
LQLucienne Quiroga
True Knowledge hvac services LLC
5
5
1
Duane Sutton
2025-11-25T14:36:41.754Z
Great HVAC technician visit—on time, explained options, and fixed the issue perfectly. Our Baltimore home is comfy again, and I’m really happy with the result. Professional, tidy, and friendly. Would gladly recommend! 👍😊
Nov 25, 2025
Great HVAC technician visit—on time, explained options, and fixed the issue perfectly. Our Baltimore home is comfy again, and I’m really happy with th... More
DSDuane Sutton
True Knowledge hvac services LLC
5
5
1
Ronald Severino
2025-08-16T17:56:40.556Z
They went above my expectations. Prompt response and high-quality service!
Aug 16, 2025
They went above my expectations. Prompt response and high-quality service!
RSRonald Severino
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