LHR Plumbing & Heating is Manchester NH’s Trusted HVAC Company At LHR Plumbing and Heating, we pride ourselves on providing our clients with high-quality plumbing services and excellent customer service. Our company was founded by Angel Acevedo, a master plumber and gas fitter with over two decades of experience serving the southern New Hampshire community. When choosing us, you can rest assured that all your plumbing or HVAC problems will be solved. On top of that, you’ll gain an HVAC company and contractor you can trust for years. We always work to create relationships with our clients that will last a lifetime.