What you need to legally operate as a HVAC tech in Maryland.
Requirements, costs, how to apply, and how long it takes.
Starting a HVAC tech business in Maryland requires a business license ($25-200), possible trade-specific certification, and general liability insurance ($500-2,000/year). Most solo hvac technicians start as sole proprietors, then form an LLC as they grow. After licensing, you need business tools — invoicing, scheduling, CRM, bookkeeping. Most hvac technicians pay $100-200/month renting these from multiple companies. Nexa is $279 once for all of it. Biz Wiz ($19.99) researches your exact Maryland requirements — city, county, permits — and builds a personalized 90-day business plan.
Most hvac technicians in Maryland need a general business license from their city or county. Costs typically range from $25-$200. Check with your local city clerk's office or county government website.
Requirements vary by city and county within Maryland. Some areas have additional permit requirements.
Depending on the type of HVAC tech work, Maryland may require a trade-specific license, certification, or registration. Requirements vary significantly — some trades need state board certification, others just need registration.
Biz Wiz researches your exact requirements in Maryland and provides direct links to apply.
General liability insurance is recommended (and sometimes required) for hvac technicians in Maryland. Typical cost: $500-2,000/year depending on coverage level and your specific services.
Most solo hvac technicians start as sole proprietors, then form an LLC as they grow. An LLC in Maryland typically costs $50-500 to form depending on the state filing fee.
Key numbers for hvac technicians in the Baltimore-Columbia-Towson, MD area:
Nexa is 0.35% of median Baltimore household income — paid once, not every month. In a moderate cost-of-living area, every subscription dollar hits harder.
Maryland income tax up to 5.75% plus county piggyback taxes (2.25-3.2%). Baltimore City rate is 3.2%, among the highest.
Biz Wiz factors in Maryland-specific tax obligations when building your financial plan.
Maryland MHIC license required for home improvement contractors. Baltimore City requires a Trader's License for most businesses.
That daily chaos is what happens when your tools don't connect. After licensing, set yourself up with one integrated system from day one — Nexa is $279 once, or $99 today and two more payments.
Once you have your license, the real work begins. Here are the operational problems that hvac technicians deal with daily:
Biz Wiz ($19.99) builds your plan around these exact challenges — not generic advice, but a strategy specific to hvac technicians in Maryland.
Before you start subscribing to software on day one, hear what experienced hvac technicians say about the popular tools:
Start right: Nexa is $279 once for invoicing, scheduling, CRM, time tracking, and accounting. Built for solo operators, not enterprise teams. Or $99 today and two more payments.
Biz Wiz is an AI business coach that researches YOUR specific situation.
Your trade. Your city. Your state. Current requirements with links to apply.
Includes full business plan: licensing, pricing, marketing, tools, and 90-day action plan.
Get Your Maryland Business PlanOnce you are licensed, you need tools to run the business: invoicing, scheduling, client management, bookkeeping. Most hvac technicians pay $100-200/month renting these from multiple SaaS companies — that is $1,200-2,400/year in subscriptions. Over 3 years at today's prices, a $150/month software stack costs $5,400. You never own any of it.
New hvac technicians in Maryland face a choice: start renting software from day one and build that cost into your overhead forever, or pay $279 once for Nexa and own your tools from the start. Nexa includes invoicing, scheduling, CRM, time tracking, task management, and full accounting — everything a HVAC tech needs. No monthly fees. No price increases. No losing access if you cancel.
Nexa: $279 once. Professional from day one. Own it forever.
$19.99 for a personalized plan. Licensing, pricing, marketing, tools — everything you need for Maryland.
Get Your Plan — $19.99